A Simple Arithmetic Calculator
(.2e0) + 2.2 * (1 + (2 * -(-3 + +4 * 0.5 * (2.))) ** 2 ** 2 * 2 / (2 * 2) / .5 / 2 - 7) ** 2 + 3 * -3.0 - .1 * 100E-1 + 0.1 * 10
evaluate
Grammar