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:

12.05 Producto por Escalar (-,STACK) (3)

EngiMath Project

OER Preview To the OER

10.3 Triar A^2 2×2 (10)

EngiMath Project

OER Preview To the OER

LECȚIA 08 – Operații cu matrici – Matrici partiționate 8.6 Build a matrix from blocks – ABCD (STACK)

EngiMath

OER Preview To the OER

Total number of OERs published so far:

3524

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 e Cofatores

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Apresentação de PPT – Aula completa com exemplos de aplicação

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Menores elementares, Co-fatores, Complementos Algébricos

Tags

EngiMath, Gate2Math, IPP

File
ENG-031-PRE-PT.pptx

Details

Updated: May 12, 2025 at 9:52 am



Average rating

Title

16. Determinantes – Menores e Cofatores

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Aula interactiva com exemplos e questões
Nota: Necessita de plugin/software específico para ser utilizado/visualizado

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Menores elementares, Co-fatores, Complementos Algébricos

Tags

EngiMath, Gate2Math, IPP

File
ENG-032-SCM-PT.zip

Details

Updated: March 8, 2025 at 10:07 pm



Average rating

Title

17. Determinantes – Expansão de Laplace (Cofatores)

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Apresentação de PPT – Aula completa com exemplos de aplicação

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Expansão de Laplace, determinantes de ordem superior

Tags

EngiMath, Gate2Math, IPP

File
ENG-033-PRE-PT.pptx

Details

Updated: May 12, 2025 at 10:00 am



Average rating

Title

17. Determinantes – Expansão de Laplace (Cofatores)

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Aula interactiva com exemplos e questões
Nota: Necessita de plugin/software específico para ser utilizado/visualizado

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Expansão de Laplace, determinantes de ordem superior

Tags

EngiMath, Gate2Math, IPP

File
ENG-034-SCM-PT.zip

Details

Updated: March 8, 2025 at 10:08 pm



Average rating

Title

18. Determinantes – Propriedades 1

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Apresentação de PPT – Aula completa com exemplos de aplicação

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Troca de filas, multiplicação de um determinante por um escalar

Tags

EngiMath, Gate2Math, IPP

File
ENG-035-PRE-PT.pptx

Details

Updated: May 12, 2025 at 10:01 am



Average rating

Title

18. Determinantes – Propriedades 1

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Aula interactiva com exemplos e questões
Nota: Necessita de plugin/software específico para ser utilizado/visualizado

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Troca de filas, multiplicação de um determinante por um escalar

Tags

EngiMath, Gate2Math, IPP

File
ENG-036-SCM-PT.zip

Details

Updated: March 8, 2025 at 10:08 pm



Average rating

Title

19. Determinantes – Propriedades 2 (zero direto)

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Apresentação de PPT – Aula completa com exemplos de aplicação

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Filas iguais, filas proporcionais, filas nulas

Tags

EngiMath, Gate2Math, IPP

File
ENG-037-PRE-PT.pptx

Details

Updated: May 12, 2025 at 10:01 am



Average rating

Title

19. Determinantes – Propriedades 2 (zero direto)

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Aula interactiva com exemplos e questões
Nota: Necessita de plugin/software específico para ser utilizado/visualizado

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Filas iguais, filas proporcionais, filas nulas

Tags

EngiMath, Gate2Math, IPP

File
ENG-038-SCM-PT.zip

Details

Updated: March 8, 2025 at 10:08 pm



Average rating

Title

20. Determinantes – Propriedades 3

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Apresentação de PPT – Aula completa com exemplos de aplicação

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Multiplicação de determinantes, soma de determinantes

Tags

EngiMath, Gate2Math, IPP

File
ENG-039-PRE-PT.pptx

Details

Updated: May 12, 2025 at 10:01 am



Average rating

Title

20. Determinantes – Propriedades 3

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

Aula interactiva com exemplos e questões
Nota: Necessita de plugin/software específico para ser utilizado/visualizado

Licence

CC-BY

Type

Tutorial

Category

Linear algebra – Matrix calculus

Keywords

Multiplicação de determinantes, soma de determinantes

Tags

EngiMath, Gate2Math, IPP

File
ENG-040-SCM-PT.zip

Details

Updated: March 8, 2025 at 10:08 pm



Average rating