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

Matrix Scalar Multiplication

Multiply every element of a 2×2 matrix by a single scalar value. Use this when scaling a transformation matrix or adjusting magnitudes in linear algebra problems.

Scalar Value

Matrix Element (1,1)

Matrix Element (1,2)

Matrix Element (2,1)

Fill in the required fields to see your result.

Linear Algebra

Vector Projection Calculator

Calculate the scalar projection of 2D vector A onto vector B. Use this when you need to find how much of vector A lies in the direction of vector B.

Vector A - X component

Vector A - Y component

Vector B - X component

Vector B - Y component

Fill in the required fields to see your result.

Key differences

	Matrix Scalar Multiplication	Vector Projection Calculator
Category	Linear Algebra	Linear Algebra
Inputs required	4	4
Result	Result Element (1,1)	Scalar Projection
What it does	Multiply every element of a 2×2 matrix by a single scalar value. Use this when scaling a transformation matrix or adjusting magnitudes in linear algebra problems.	Calculate the scalar projection of 2D vector A onto vector B. Use this when you need to find how much of vector A lies in the direction of vector B.