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:

Resol una primitiva

M. Rosa Estela

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Exercitii pentru Lectia 10: Operații cu Matrici Pătrate – Puterea unei Matrici 10.4 A^3 (STIV, 2×2)

EngiMath

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03.5 Upper/Lower Triangular Matrix (10)

EngiMath Project

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Total number of OERs published so far:

3621

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Title

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.2 Determinantul Sistemului

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.2 Determinantul Sistemului

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-312-XML-RO.zip

Details

Updated: April 15, 2025 at 1:30 pm



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Title

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.5 4×4 D_x D_y D_z D_w

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.5 4×4 D_x D_y D_z D_w

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-313-XML-RO.zip

Details

Updated: April 15, 2025 at 1:30 pm



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Title

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.8 Soluție completă fără formulă, 2×2

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.8 Soluție completă fără formulă, 2×2

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-314-XML-RO.zip

Details

Updated: April 15, 2025 at 1:31 pm



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Title

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.7 Soluție completă cu formulă, 2×2

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.7 Soluție completă cu formulă, 2×2

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-315-XML-RO.zip

Details

Updated: April 15, 2025 at 1:31 pm



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Title

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.6 Găsește x y, 2×2

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.6 Găsește x y, 2×2

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-316-XML-RO.zip

Details

Updated: April 15, 2025 at 1:31 pm



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Title

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.9 Găsește x y z (x_1 x_2 x_3), 3×3

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.9 Găsește x y z (x_1 x_2 x_3), 3×3

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-317-XML-RO.zip

Details

Updated: April 15, 2025 at 1:31 pm



Average rating

Title

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.10 Soluție completă cu formulă, 3×3

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.10 Soluție completă cu formulă, 3×3

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-318-XML-RO.zip

Details

Updated: April 15, 2025 at 1:31 pm



Average rating

Title

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.11 Soluție completă fără formulă, 3×3

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 25: Sisteme de Ecuații Liniare – Metoda Cramer 25.11 Soluție completă fără formulă, 3×3

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-319-XML-RO.zip

Details

Updated: April 15, 2025 at 1:31 pm



Average rating

Title

Exercitii pentru Lectia 26: Sisteme de Ecuații Liniare – Metoda Gauss 26.1 Matrice augmentată 3×3 (A cu zerouri)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 26: Sisteme de Ecuații Liniare – Metoda Gauss 26.1 Matrice augmentată 3×3 (A cu zerouri)

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-320-XML-RO.zip

Details

Updated: April 15, 2025 at 1:31 pm



Average rating

Title

Exercitii pentru Lectia 26: Sisteme de Ecuații Liniare – Metoda Gauss 26.2 Matrice augmentată vs Sistem 3×3

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 26: Sisteme de Ecuații Liniare – Metoda Gauss 26.2 Matrice augmentată vs Sistem 3×3

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-321-XML-RO.zip

Details

Updated: April 15, 2025 at 1:31 pm



Average rating