Crapculates current line in editor.
Variables:
Names: $a .. $z
Assignment: $a := expression ;
Crapculator:
Syntax: ( ) d.d
Constants: e pi
Binary: ^ * / % - +
Unary: - + sqrt ln log sin cos tan rad deg floor ceil frac fac
Line may end with "=".
Hackulator:
Syntax: ( ) d 0xh IPv4
Binary: * / % - + >> << & ^ |
Unary: - + ~
Line may end with:
"=" for hex,
"=d" for decimal,
"=u" for unsigned decimal
"=4" for IPv4 address.