!!!!

!!!! is an esoteric programming language created by User:Xi-816. It uses a stack, and a register.

Description

There are 5 types of commands:

 Push a number
 Operation
 Store
 Stack operation
 Print

Commands

Prefix	Command	Description
$	!	Push 1/2 to the stack
	:	Push 3/14159 to the stack
	^	Push 0 to the stack
	;	Push 69 to the stack
	/	Push 69,420 to the stack
?	+	Increment the top value by 1
	-	Decrement the top value by 1
	$	If top value is %4=0, then add, if %4=1, then subrtact, if %4=2, then multiply, if %4=3, then divide
	&	Create a label