<info> </info>

To assign a value to a variable use the = symbol or choose the variable to assign to with the <gui>x</gui> button in advanced mode. A variable name must only contain upper or lower case characters.

<example>

x=5

value=82

</example>

Variables can be used in any equation and are substituted for their assigned value. Variables can be inserted using the <gui>x</gui> button.

<example>

6x+3

xy−3x+7y−21

</example>

The following variables are always defined.

ans | Result of previous calculation
e | Euler's Number
π | Pi
rand | Random value in the range [0,1] (changes on each read)