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.

Online Demo

https://vect.birth-online.de

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.

Example

Copy this into the input box.

set P1=[1,-1,0]
set P2=P1+[1,0,0]
set P3=P1+[1,-1,0]
set P4=P1-[0,1,0]
set P5=P1+[0,0,1]
set P6=P2+[0,0,1]
set P7=P3+[0,0,1]
set P8=P4+[0,0,1]
plotdel all
plotL P1;P2
plotL P1;P4
plotL P2;P3
plotL P3;P4
plotL P1;P5
plotL P2;P6
plotL P3;P7
plotL P5;P6
plotL P6;P7