This app was removed from the App Store.
GoodCalculator (with percent and backspace buttons)
iOS iPhone Productivity
Miss PERCENT and BACKSPACE buttons in built-in calculator? Then GoodCalculator is for you.
Good Calculator is simple yet very convenient calculator with percent and backspace buttons.
▶ 12 digits
▶ Add/Subtract/Multiply/Divide operations
▶ Percent operations with [%] button
▶ Backspace button
▶ Copy & Paste
▶ For one hour remembers exactly what you were entering before quitting application. Just restart it within one hour and continue right where you've left off
▶ Shows first operand and operation sign in binary operations
▶ UNIQUE: shows memory contents
▶ Separate [MR] and [MC] buttons
▶ Separate [AC] and [C] buttons
▶ Big easy-to-read display
▶ Big easy-to-press buttons
▶ Clicking sound effects for better user-interaction (can be turned off)
▶ Customizable thousands separator and decimal point symbols
▶ multitasking support