C++ Calculator (WASM)
Rules:
Expression can contain digits, '+', '-', '(', ')', and spaces.
Expression must be valid.
'+' cannot be used as a unary operator (i.e., '+1' and '+(2 + 3)' are invalid).
'-' can be used as a unary operator (i.e., '-1' and '-(2 + 3)' are valid).
No two consecutive operators are allowed.
Calculate
Result: