RPN calculator for Python
Reverse Polish Notation calculator by python.
+
, -
, *
, /
, sin
, cos
, tan
, sqrt
, pop
, swap
, sto
pi
pyrpn
pyrpn
in Python (2.7, 3.5, 3.6) terminal:
>>> from pyrpn import Rpn
>>> Rpn('1 2 +').solve()
3.0
>>> Rpn('30 180 / pi * cos').solve()
0.8660254037844214
>>> Rpn('0.2 10.24 pi * 180 / * 10.24 pi * 180 / sin /').solve()
0.20106869612225164
>>> Rpn.solve_rpn('1 2 +')
3.0
>>> from pyrpn import solve_rpn
>>> solve_rpn('1 2 +')
3.0
pyrpn
in Linux terminal:pyrpn 1.0.4 — Python package for reverse polish notation expression.
help —> Show usage message.
exit, quit —> Exit.
pyrpn shell > 2.0 sqrt
pyrpn shell > 1.4142135623730951
pyrpn shell > -1 sin sqrt
Input of sqrt must be a positive number.
Invalid RPN, fix it and try again.:)
pyrpn shell > 1 2 3 pop +
pyrpn shell > 3.0000000000000000
pyrpn shell > 1 2 + sto three pop three 2 *
pyrpn shell > 6.0000000000000000
```