Vector calculation tool

This is a PHP script that creates sort of a calculation environment for working with vectors. Not only will it calculate various operations with vectors, it will also plot them, calculate angles between different vectors, intersection points, etc.

Syntax

set P1=[1,1,1]

Sets P1 to the vector 1, 1, 1 (x, y, z).

set P2=[2,0]

Sets P2 to the vector 2, 0(, 0).

plotL P1;P2

Plots a line between vectors P1 and P2.

plotdel all

Removes all plots from screen.

unset P2

Deletes variable P2.

More commands are available from the onscreen help box.