First up, press the spacebar. Second, type in the sign you're using for the equation <><><><><><><><><><><><><><><><> * ~ Multiplication / ~ Division + ~ Addition - ~ Subtraction <><><><><><><><><><><><><><><><> Then, type in a number, press enter. Do it again. The number on the bottom with be the answer Decimals and Negatives also work, but Fractions and Percentages do not work
