Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

2x2 Matrix Determinant Calculator

Compute the determinant of any 2×2, 3×3, or 4×4 square matrix instantly. Use it to check invertibility, solve linear systems, or evaluate transformations in linear algebra.

Element (1,1)

Element (1,2)

Element (2,1)

Element (2,2)

Fill in the required fields to see your result.

Linear Algebra

Angle Between Vectors Calculator

Compute the angle in degrees between two 2D vectors using cos θ = (v1·v2)/(|v1|·|v2|) and the arccosine function. The result lies in [0°, 180°] regardless of vector orientation.

Vector 1 - X component

Vector 1 - Y component

Vector 2 - X component

Vector 2 - Y component

Fill in the required fields to see your result.

Key differences

	2x2 Matrix Determinant Calculator	Angle Between Vectors Calculator
Category	Linear Algebra	Linear Algebra
Inputs required	4	4
Result	Determinant	Angle Between Vectors (degrees)
What it does	Compute the determinant of any 2×2, 3×3, or 4×4 square matrix instantly. Use it to check invertibility, solve linear systems, or evaluate transformations in linear algebra.	Compute the angle in degrees between two 2D vectors using cos θ = (v1·v2)/(\|v1\|·\|v2\|) and the arccosine function. The result lies in [0°, 180°] regardless of vector orientation.