This is a calculator that reads its input in postfix notation. It is written in python and runs on AWS Lambda
All inputs must be valid postfix expressions, contain valid numbers and operators, and cant divide by 0
Valid numbers are 32 bit signed integers and valid operators are +, -, *, and / (floor division)
An example equation is: 2147483647 2147483647 - -2147483646 -2147483646 - + 1 1 1 1 1 1 1 1 1 1 + + + + + + + + + 10 - + 1 2 / + 2 1 / + 3 *