Calculator

Calculator, is an esoteric programming language, where we are doing operations on numbers. Idea of this language was invented by Ivan Homenko.

Hello, World!
.!; H.72.v;H.@; e.101.v;e.@; l.108.v;l.@;l.@; o.111.v;o.@; comma.44.v;comma.@; space.32.v;space.@; W.87.v;W.@; o.111.v;o.@; r.114.v;r.@; l.108.v;l.@; d.100.v;d.@; !.33.v;!.@; linefeed.10.v;linefeed.@;

Truth-machine
var.$.v; var.0.1.!0; 0.?; 0.0.v; 0.#; .~; 1.?; 1.1.v; 1.#; 1.^;

Cat
in.$.v;in.#;

Docs
Basic instruction syntax it's: arg1.arg2.....command; End of instruction should be ended by ;

External resources

 * http://alc.comuf.com/calcul.php (Javascript implement)