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:
Total number of OERs published so far:
3520To explore and utilize these materials, navigate through our categorized sections or use the search function to find specific OERs of interest.
12. Elementary Operations on the Rows of a Matrix (OEL)
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Elementary operations, Jacob operations, Elementary matrices, EOR
Tags
EngiMath, Gate2Math
File
ENG-038-SCM-EN.zip
13. Row reduction of a matrix to echelon form
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Triangular matrix, Triangularized matrix
Tags
EngiMath, Gate2Math
File
ENG-039-SCM-EN.zip
14. Applications of elementary operations – Inverse of a matrix
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Inverse of a matrix, Elementary operations
Tags
EngiMath, Gate2Math
File
ENG-040-SCM-EN.zip
15. Determinants – Introduction
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Elementary Minors, Cofactors, Algebraic Complements
Tags
EngiMath, Gate2Math
File
ENG-041-SCM-EN.zip
17. Determinants – Laplace Expansion (Cofactors)
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Laplace expansion, Higher order determinants
Tags
EngiMath, Gate2Math
File
ENG-043-SCM-EN.zip
18. Determinants – Properties 1
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Exchange of queues, Multiplication of a determinant by a scalar
Tags
EngiMath, Gate2Math
File
ENG-044-SCM-EN.zip
19. Determinants – Properties 2 (direct zero)
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Equal queues, Proportional queues, null queues
Tags
EngiMath, Gate2Math
File
ENG-045-SCM-EN.zip
20. Determinants – Properties 3
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Multiplication of determinants, sum of determinants
Tags
EngiMath, Gate2Math
File
ENG-046-SCM-EN.zip
21. Determinants – Properties 4
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Triangular matrix determinant, Inverse determinant
Tags
EngiMath, Gate2Math
File
ENG-047-SCM-EN.zip
22. Adjoint Matrix and its relationship with the Inverse Matrix
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
GIF/Animation
Category
High-school fundamentals
Keywords
Adjoint Matrix, Inverse Matrix
Tags
EngiMath, Gate2Math
File
ENG-048-SCM-EN.zip