On Top Calculator is on top of all the rest (of your Android apps, that is!)
Never again switch away from a calculator app only to forget a number! Stays on top of other apps to make calculations and see results without having to switch apps. This full featured, scientific calculator will be the last calculator you ever need!
• Tap the calculator display to hide the keypad
• Touch and drag to move to a new position
• Long press to change size, copy, and paste
• Press 2nd then help for more!