OER Smart Library – Gate2Math

Welcome to the Mathematics OER Smart Library! Our library offers a diverse range of materials—including videos, infographics, games, presentations, animations, and more—covering topics such as algebra, calculus, geometry, statistics, and probability. These resources are available in seven languages: English, Estonian, German, Portuguese, Romanian, Catalan, and Spanish. Additionally, our library includes materials accessible to visually impaired and color-blind individuals. These resources are designed to support educators, students, and researchers in secondary, vocational, and higher education institutions.

Random OERs:

03.9 Matriu Identitat (V/F) (10)

EngiMath Project

To the OER

Equações do 1º grau

Ana Paula Lopes, Filomena Soares

To the OER

25.09 Calcular x/y/z (x_1/x_2/x_3), 3×3 (10)

EngiMath Project

To the OER

Total number of OERs published so far:

3621

To explore and utilize these materials, navigate through our categorized sections or use the search function to find specific OERs of interest.

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Title

16. Determinantes: Menores y cofactores

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Menores elementales, Co-factores, Complementos Algebraicos

Tags

EngiMath, UPC, Gate2Math

File
ENG-516-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:30 am

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Title

17. Determinantes: Expansión de Laplace (cofactores)

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Expansión de Laplace, determinantes de orden superior

Tags

EngiMath, UPC, Gate2Math

File
ENG-517-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:30 am

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Title

18. Determinantes – Propiedades 1

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Intercambio de filas, producto de un determinante por un escalar

Tags

EngiMath, UPC, Gate2Math

File
ENG-518-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:31 am

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Title

19. Determinantes – Propiedades 2 (cero directo)

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Filas iguales, filas proporcionales, filas nulas

Tags

EngiMath, UPC, Gate2Math

File
ENG-519-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:31 am

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Title

20. Determinantes – Propiedades 3

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Producto de determinantes, suma de determinantes

Tags

EngiMath, UPC, Gate2Math

File
ENG-520-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:31 am

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Title

21. Determinantes – Propiedades 4

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Determinante de una matriz triangular, Determinante de la inversa

Tags

EngiMath, UPC, Gate2Math

File
ENG-521-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:31 am

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Title

22. Matriz Adjunta y su relación con la Matriz Inversa

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Matriz Adjunta, Matriz Inversa

Tags

EngiMath, UPC, Gate2Math

File
ENG-522-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:32 am

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Title

23. Sistema de ecuaciones lineales – Introducción

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Linear systems

Keywords

Ecuación lineal, sistemas homogéneos, clasificación

Tags

EngiMath, UPC, Gate2Math

File
ENG-523-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:32 am

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Title

25. Método de Cramer para resolver sistemas

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Linear systems

Keywords

Determinante principal, Cramer, Matriz del sistema

Tags

EngiMath, UPC, Gate2Math

File
ENG-525-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:32 am

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Title

26. Resolución de sistemas por Gauss-Jordan

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Presentación PPT – Clase completa con ejemplos de aplicación.

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Linear systems

Keywords

Matriz ampliada del sistema, matriz escalonada, sistemas indeterminados, Gauss-Jordan

Tags

EngiMath, UPC, Gate2Math

File
ENG-526-PRE-ES.pptx

Details

Updated: August 23, 2025 at 8:32 am

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