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:

14.06 Calcula la inversa 2×2 (STACK) (1)

EngiMath Project

OER Preview To the OER

03.10 Elegir la matriz identidad (10)

EngiMath Project

OER Preview To the OER

05.2 kI (STACK) (1)  

EngiMath Project

OER Preview 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.

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



Average rating