<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2007-7467</journal-id>
<journal-title><![CDATA[RIDE. Revista Iberoamericana para la Investigación y el Desarrollo Educativo]]></journal-title>
<abbrev-journal-title><![CDATA[RIDE. Rev. Iberoam. Investig. Desarro. Educ]]></abbrev-journal-title>
<issn>2007-7467</issn>
<publisher>
<publisher-name><![CDATA[Centro de Estudios e Investigaciones para el Desarrollo Docente A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-74672022000100045</article-id>
<article-id pub-id-type="doi">10.23913/ride.v12i24.1197</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Didáctica del graficado de funciones: el caso de las funciones piecewise]]></article-title>
<article-title xml:lang="en"><![CDATA[Didactics of Function Plotting: The Case of Piecewise Functions]]></article-title>
<article-title xml:lang="pt"><![CDATA[Didática de funções gráficas: o caso de funções por partes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sandoval-Hernández]]></surname>
<given-names><![CDATA[Mario. A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Leal]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huerta-Chua]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro-González]]></surname>
<given-names><![CDATA[Francisco J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Filobello-Nino]]></surname>
<given-names><![CDATA[Uriel A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Tecnológico Nacional de México Instituto Tecnológico Superior de Poza Rica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Consejo Veracruzano de Investigación Científica y Desarrollo Tecnológico  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Tecnológico Nacional de México Instituto Tecnológico Superior de Poza Rica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Veracruzana Facultad de Instrumentación Electrónica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Veracruzana Facultad de Instrumentación Electrónica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>12</volume>
<numero>24</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-74672022000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-74672022000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-74672022000100045&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este artículo se presenta un método educativo que permite unir funciones elementales. Se propone graficar funciones tipo piecewise por medio de una función graficadora que utiliza ventanas. En este caso, la ventaja es que tanto docentes y alumnos que no dispongan de conocimientos de programación o de comandos especializados de graficación podrán visualizarlas en el salón de clases mediante un software matemático educativo. Igualmente, se presentan tres casos de estudio en donde se han obtenido buenos resultados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper presents an educational method that allows matching elementary functions. It is proposed to plot piecewise type functions by means of a graphing function that uses windows. In this case, the advantage is that both teachers and students who do not have programming knowledge or specialized graphing commands will be able to view them in the classroom using educational mathematical software. Also, three case studies are presented where good results have been obtained.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Este artigo apresenta um método educacional que permite unir funções elementares. Propõe-se representar graficamente funções do tipo por partes por meio de uma função gráfica que usa janelas. Nesse caso, a vantagem é que tanto professores quanto alunos que não possuem conhecimentos de programação ou comandos gráficos especializados poderão visualizá-los em sala de aula usando softwares matemáticos educacionais. Da mesma forma, são apresentados três estudos de caso onde foram obtidos bons resultados.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[discurso matemático escolar]]></kwd>
<kwd lng="es"><![CDATA[funciones elementales]]></kwd>
<kwd lng="es"><![CDATA[método de ventanas]]></kwd>
<kwd lng="en"><![CDATA[school math speech]]></kwd>
<kwd lng="en"><![CDATA[elementary functions]]></kwd>
<kwd lng="en"><![CDATA[plot windows method]]></kwd>
<kwd lng="pt"><![CDATA[discurso matemático escolar]]></kwd>
<kwd lng="pt"><![CDATA[funções elementares]]></kwd>
<kwd lng="pt"><![CDATA[método windows]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Avery-Natale]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An analysis of embodiment among six superheroes in DC Comics]]></article-title>
<source><![CDATA[Social Thought y Research: A Continuation of the Mid-American Review of Sociology]]></source>
<year>2013</year>
<page-range>71-106</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arceo]]></surname>
<given-names><![CDATA[F. D. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[G. H.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[E. L. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estrategias docentes para un aprendizaje significativo: una interpretación constructivista]]></source>
<year>2010</year>
<publisher-name><![CDATA[McGraw-Hill Interamericana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ayres]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendelson]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Abellanas]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cálculo diferencial e integral]]></source>
<year>1994</year>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baldor]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Algebra]]></source>
<year>2011</year>
<publisher-name><![CDATA[Editorial Patria]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barnett]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Algebra con Geometría Analítica y Trigonometría]]></source>
<year>1994</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Limusa-Noriega]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barnett]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ziegler]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Byleen]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Precálculo: funciones y gráficas]]></source>
<year>2012</year>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barnes]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Fulford]]></surname>
<given-names><![CDATA[G. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mathematical modelling with case studies: using Maple y Matlab]]></source>
<year>2014</year>
<publisher-name><![CDATA[Chapman and Hall CRC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boylestad]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Nashelsky]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Electrónica: teoría de circuitos y dispositivos electrónicos]]></source>
<year>2003</year>
<publisher-name><![CDATA[Pearson Educación Prentice Hall]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Burden]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Faires]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Numerical Analysis]]></source>
<year>2005</year>
<edition>8</edition>
<publisher-name><![CDATA[Cenange Learning]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chapra]]></surname>
<given-names><![CDATA[S. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Canale]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Numerical Methods for Engineers]]></source>
<year>2004</year>
<edition>fourth</edition>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Charur]]></surname>
<given-names><![CDATA[C. Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diseño de estrategias para el aprendizaje grupal una experiencia de trabajo]]></article-title>
<source><![CDATA[Perfiles Educativos]]></source>
<year>1983</year>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chua]]></surname>
<given-names><![CDATA[L. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Desoer]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuh]]></surname>
<given-names><![CDATA[E. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Linear and nonlinear circuits]]></source>
<year>1987</year>
<publisher-name><![CDATA[McGraw-Hill College]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cordero]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[Rebeca]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El uso de las gráficas en los libros de texto]]></article-title>
<source><![CDATA[Acta Latinoamericana de Matemática Educativa]]></source>
<year>2005</year>
<volume>18</volume>
<page-range>495-500</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cordero]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Suárez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modelación en matemática educativa]]></article-title>
<source><![CDATA[Acta Latinoamericana de Matemática Educativa]]></source>
<year>2005</year>
<volume>18</volume>
<page-range>639-44</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[D&#8217;Azzo]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Constantine]]></surname>
<given-names><![CDATA[D.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Linear control system analysis and design: conventional and modern]]></source>
<year>1995</year>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Edwards]]></surname>
<given-names><![CDATA[C.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Penney]]></surname>
<given-names><![CDATA[D.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Calculo]]></source>
<year>2007</year>
<publisher-name><![CDATA[Pearson Educación]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fox]]></surname>
<given-names><![CDATA[W. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mathematica modeling with Maple]]></source>
<year>2011</year>
<publisher-name><![CDATA[Nelson Education]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Olvera]]></surname>
<given-names><![CDATA[B. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geometría analítica]]></source>
<year>1991</year>
<publisher-name><![CDATA[Colección DGETI]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fukushima]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Precise and fast computation of Lambert W-functions without transcendental function evaluations]]></article-title>
<source><![CDATA[Journal of Computational and Applied Mathematics]]></source>
<year>2013</year>
<volume>244</volume>
<page-range>77-89</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[J. L. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Técnicas alternativas para el cálculo de fracciones parciales]]></article-title>
<source><![CDATA[El cálculo y su enseñanza, Enseñanza de las ciencias y la matemática]]></source>
<year>2017</year>
<volume>9</volume>
<page-range>24-41</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holmes]]></surname>
<given-names><![CDATA[M. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Introduction to perturbation methods]]></source>
<year>2012</year>
<volume>20</volume>
<publisher-name><![CDATA[Springer Science &amp; Business Media]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Joyanes-Aguilar]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Zahonero Martínez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Programación en C: metodología, algoritmos, estructura de datos]]></source>
<year>2001</year>
<publisher-name><![CDATA[MacGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kindle]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geometría analítica]]></source>
<year>1994</year>
<publisher-name><![CDATA[McGraw Hill-Serie Shaum]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LIE]]></surname>
<given-names><![CDATA[K. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[An introduction to reservoir simulation using MATLAB/GNU OCTAVE]]></source>
<year>2019</year>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nakamura]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis numérico y visualización con MATLAB]]></source>
<year>1997</year>
<publisher-name><![CDATA[Pearson educación]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ogata]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ingeniería de control moderna]]></source>
<year>2003</year>
<publisher-name><![CDATA[Pearson Educación Prentice Hall]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Proakis]]></surname>
<given-names><![CDATA[J. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Manolakis]]></surname>
<given-names><![CDATA[D. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Digital signal processing]]></source>
<year>2004</year>
<publisher-loc><![CDATA[PHI Publication ]]></publisher-loc>
<publisher-name><![CDATA[New Delhi, India]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Purcell]]></surname>
<given-names><![CDATA[E J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rigdon]]></surname>
<given-names><![CDATA[S. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Varbeg]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cálculo]]></source>
<year>2007</year>
<publisher-name><![CDATA[Pearson Educación]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[J. A. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Investigaciones en clase de matemáticas con GeoGebra]]></source>
<year>2019</year>
<conf-name><![CDATA[ XIIIjornades d&#8217;Educació Matemàtica de la Comunittat Valenciana: Innovació i tecnologia en educació matemàtica]]></conf-name>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sandoval-Hernández]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Méndez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Torreblanca-Bouchan]]></surname>
<given-names><![CDATA[S. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Arango]]></surname>
<given-names><![CDATA[G. U.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Actualización de contenidos en el campo disciplinar de matemáticas del componente propedéutico del bachillerato tecnológico: el caso de las funciones especiales]]></article-title>
<source><![CDATA[RIDE Revista Iberoamericana Para La Investigación Y El Desarrollo Educativo]]></source>
<year>2021</year>
<volume>12</volume>
<numero>23</numero>
<issue>23</issue>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sandoval-Hernandez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Vazquez-Leal]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Filobello-Nino]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[De-Leo-Baquero]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Bielma-Perez]]></surname>
<given-names><![CDATA[A.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Vichi-Mendoza]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarez-Gasca]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Contreras-Hernandez]]></surname>
<given-names><![CDATA[A.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bagatella-Flores]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Palma-Grayeb]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sanchez-Orea]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Cuellar-Hernandez]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Quadratic Equation and its Numerical Roots]]></article-title>
<source><![CDATA[International Journal of Engineering Research y Technology]]></source>
<year>2021</year>
<volume>10</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>301-5</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sandoval-Hernandez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarez-Gasca]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Contreras-Hernandez]]></surname>
<given-names><![CDATA[A. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Pretelin-Canela]]></surname>
<given-names><![CDATA[J. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Palma-Grayeb]]></surname>
<given-names><![CDATA[B. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Jimenez-Fernandez]]></surname>
<given-names><![CDATA[V. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Filobello-Nino]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Pereyra-Diaz]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernandez-Machuca]]></surname>
<given-names><![CDATA[S.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Sampieri-Gonzalez]]></surname>
<given-names><![CDATA[C. E.]]></given-names>
</name>
<name>
<surname><![CDATA[González-Martínez]]></surname>
<given-names><![CDATA[F.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Castaneda-Sheissa]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernandez-Mendez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Matias-Perez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuellar-Hernandez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Hoyos-Reyes]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Cervantes-Perez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Varela-Lara]]></surname>
<given-names><![CDATA[L.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez-Aguirre]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gil-Adalid]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-Rocha]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bagatella-Flores]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Vazquez-Leal]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exploring the classic perturbation method for obtaining single and multiple solutions of nonlinear algebraic problems with application to microelectronic circuits]]></article-title>
<source><![CDATA[International Journal of Engineering Research y Technology]]></source>
<year>2019</year>
<volume>8</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>636-45</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sandoval-Hernandez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vazquez-Leal]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Filobello-Nino]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernandez-Martinez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New handy and accurate approximation for the Gaussian integrals with applications to science and engineering]]></article-title>
<source><![CDATA[Open Mathematics]]></source>
<year>2019</year>
<volume>17</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1774-93</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soto]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Cordero]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Exclusión, cotidiano e identidad: una problemática fundamental del aprendizaje de la matemática]]></source>
<year>2012</year>
<page-range>1041-8</page-range><publisher-name><![CDATA[Comité Latinoamericano de Matemática Educativa AC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soto]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Cantoral]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Discurso matemático escolar y exclusión. Una visión socioepistemológica]]></article-title>
<source><![CDATA[Bolema: Boletim de Educação Matemática]]></source>
<year>2014</year>
<volume>28</volume>
<numero>50</numero>
<issue>50</issue>
<page-range>1525-44</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Spiegel]]></surname>
<given-names><![CDATA[M. R]]></given-names>
</name>
</person-group>
<source><![CDATA[Estadística]]></source>
<year>1994</year>
<publisher-name><![CDATA[Serie Schaum McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Single variable calculus: Early trascendentals]]></source>
<year>2015</year>
<publisher-name><![CDATA[Cengage Learning]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Redlin]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Saleem]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Precálculo, Matemáticas para el cálculo]]></source>
<year>2007</year>
<edition>5th</edition>
<publisher-name><![CDATA[Cengage Learning]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Single Variable Calculus Early Trascendentals]]></source>
<year>2012</year>
<edition>7th</edition>
<publisher-name><![CDATA[Books/Cole Cengage Learning]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres-Remon]]></surname>
</name>
</person-group>
<source><![CDATA[M. Aplicaciones con VBA con Excel]]></source>
<year>2016</year>
<publisher-name><![CDATA[Alfaomega]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Uriza]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gasperini]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis del discurso Matemático Escolar en los libros de texto, una mirada desde la Teoría Socioepistemológica]]></article-title>
<source><![CDATA[Avances de Investigación en Educación Matemática]]></source>
<year>2015</year>
<volume>8</volume>
<page-range>9-28</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vazquez-Leal]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Sandoval-Hernandez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia-Gervacio]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Herrera-May]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Filobello-Nino]]></surname>
<given-names><![CDATA[U. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[PSEM approximations for both branches of lambert function with applications]]></source>
<year>2019</year>
<publisher-name><![CDATA[Discrete Dynamics in Nature and Society]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zill]]></surname>
<given-names><![CDATA[D. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[A. E. G.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[E. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecuaciones diferenciales con aplicaciones de modelado]]></source>
<year>2002</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Thomson Learning]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
