[x] Add unbalanced parenthesis check and in original FRQ, or other error checks.
[x] Build in Power of operator ^:2 ^ 1 = 2, 2 ^ 2 = 4, 2 ^ 3 = 83. Build an API to receive an expression and respond with a result. This is a good opportunity to respond with an error if you built in parenthesis or other error checking.
Partner with Rohit De
[x] Finish rpnToResult for Calculator
[x] Add unbalanced parenthesis check and in original FRQ, or other error checks.
[x] Build in Power of operator ^:2 ^ 1 = 2, 2 ^ 2 = 4, 2 ^ 3 = 83. Build an API to receive an expression and respond with a result. This is a good opportunity to respond with an error if you built in parenthesis or other error checking.
Extras
[x] Recognize PI
[x] Added Log calculation
[x] Added NCR combination calculations