It interprets given expressions written in Reverse Polish Notation (RPN).
Compile with
$ make
Run with
$ ./interp
Available commands:
printrpn-expr
Evaluate rpn-expr and write result on the standard output.
Note: each symbol must be separated with at least one space.assignrpn-exprtovar
Evaluate rpn-expr and assign its value to var variable.
Note: var must consist of at most 7 characters and must not include whitespace characters. It musn't cover the name of built-in functions too.clear
Removes all assigned variables from the variables' environment.exit
Quits program.
Built-in functions and operators:
+-*/modulominmaxlogpowabssgnfloorceilfracsincosatanacotlnexp