"Reverse Polish Notation"[0], commonly used on Hewlett-Packard calculators, and considered a superior means of entering calculations on a calculator versus the

"Reverse Polish Notation"[0], commonly used on Hewlett-Packard calculators, and considered a superior means of entering calculations on a calculator versus the way most calculators work. Considered by many to be reason enough to switch calculators. [0] https://en.wikipedia.org/wiki/Reverse_Polish_notation https://en.wikipedia.org/wiki/Reverse_Polish_notation