Whirlcalc

The first initial release!

factorial:
python
>>> import whirlcalc
>>> print(whirlcalc.factorial(5))
120
`

evaluate:
python
>>> import whirlcalc
>>> print(whirlcalc.evaluate("1+2-factorial(6)*pi"))
-2258.946710584651


PS.

Next versions will have much more features!