The Calculator: fast, simple, convenient. 1. Basic features 2. Decimal number 3. Row separator 4. Delete backup key 5. Calculation history 6. Copy calculation 7. Easy operation 8. Fast Startup 9. Sound Keyboard 10. Keyboard lift Aim for simplicity and convenience. Our calculator I will solve the basic calculations allowed in your life. Fast startup, easy task saving time is also an advantage. Please experience and if you love this application, please share and rate it to support the developer. Thank you!