Simple Vector Calculator
2D & 3D: add, subtract, dot, cross, magnitude, angle, scalar, projection
Mode: 3D
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Dimension
2D (x, y)
3D (x, y, z)
Scalar (k) for k·A
Vector A components
Vector B components
Quick set examples
A=(3,4), B=(1,2)
A=𝑖, B=𝑗
A=(2,-1,5), B=(-3,4,0)
Tips: Leave z blank in 2D. Angle is shown in degrees. Cross product is 3D only.
Actions
Compute All
Clear
Swap A ↔ B
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Results
Operations included
A + B, A − B
Dot product (A · B)
Cross product (A × B) for 3D
|A|, |B| (magnitudes)
Angle between A and B (degrees)
Scalar multiple k·A
Projection of A onto B: proj
B
(A)