What is here
The Matrix Calculator, Inverse Matrix Calculator, Determinant Calculator and Eigenvalue Calculator share one engine for 2×2, 3×3 and 4×4 matrices. For geometry see the Pythagoras Calculator. The Quadratic Formula Calculator solves ax² + bx + c = 0. The Average Calculator, Percentage Calculator and Dilution Calculator cover everyday maths and lab work.
Frequently asked questions
Do the calculators show steps?+
Yes where it helps, such as the discriminant for quadratics and the cofactor results for determinants.
What matrix sizes are supported?+
2×2 to 4×4 for most operations and 2×2 or 3×3 for eigenvalues.
Can I use them for exams?+
Check your school’s rules. They are fine for checking homework.