Free calculator app for iPhone

1. No ads and super fast startup speed
2. Calculation history
3. Visual input

4. Voice broadcast
5. Backspace key
6. Support one-handed operation calculation
7. Show or hide scientific computing functions

8. Keyboard sounds (19 sounds)
9. Keyboard colors (24 colors)
10. Keyboard vibration

11. The number of decimal places
12. Thousands separator
13. Scientific calculator

calculator with pi
calculator with exponents
calculator with square root
calculator with negative
calculator with log
calculator with trig
calculator with angles and radians
calculator with e
calculator with factorial
calculator with root
calculator with brackets



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