Stacker Calculator

Stacker is a scientific calculator for professionals and enthusiasts. The goal of this project was to fill the void in functionality between default, basic-function calculator apps and the powerful assortment of scripts, spreadsheets, and analytical software used by professionals, all while maintaining ease of use and a low learning curve. Stacker was designed to reduce mode and input errors, which led to to an RPN (Reverse Polish Notation) method of input. Stacker evokes the tactile experience of hand-held scientific calculators while fully embracing modern, approachable touchscreen-based UX paradigms.