The simplest calculator in the world, with the most powerful features. Enter 30 numbers with labels on a line. Add a password to protect your data Buttons are positioned for efficiency, like your cellphone. Comes with hyper-intelligence and power ergonomics. Features: enter up to 30 numbers with labels, automatically scrolls after each sum is entered, password protect your data, convert everything (Hex, Dec, and dates).A single file Hel