The BEST everyday calculator app for iPhone and iPad.
- No equals button: Always automatically calculates the result in real-time while you type
- No confusion: You can always see AND edit your entire calculation
- Enter calculations of (almost) any length: The display and keypad automatically resize to fit
- Tap or slide across the display to edit your calculation at any position
- Unlimited Undo and Redo
- More readable: Uses color to distinguish between numbers and operators
- Intelligent buttons: Only those buttons light up which are relevant at any given time and cursor position
- Gorgeous analog-style design
- Four themes / skins included
- Extremely fast.
- Supports all basic operations: + - × ÷ √
- Supports advanced operations: ∛ x² x³
- Supports brackets ( )
- Supports results up to +/- 10³⁰⁰
- Long-tap the result to copy it to the clipboard
SCIENTIFIC CALCULATOR! (landscape orientation, available as In-App Purchase)
- Power function with fully editable exponent.
- Root function with fully editable degree.
- Logarithm function with fully editable base.
- Trigonometric functions: sin, cos, tan.
- Inverse trigonometric functions: asin, acos, atan.
- Hyperbolic functions: sinh, cosh, tanh.
- Inverse hyperbolic functions: asinh, acosh, atanh.
- Factorial function (integers only).
- Modulo (remainder) operator (mod).
- Smart constants: π, e.
- Smart random number generator.
- No mode switching -- all functions immediately available.

The BEST everyday calculator app for iPhone and iPad.



- No equals button: Always automatically calculates the result in real-time while you type

- No confusion: You can always see AND edit your entire calculation

- Enter calculations of (almost) any length: The display and keypad automatically resize to fit

- Tap or slide across the display to edit your calculation at any position

- Unlimited Undo and Redo

- More readable: Uses color to distinguish between numbers and operators

- Intelligent buttons: Only those buttons light up which are relevant at any given time and cursor position

- Gorgeous analog-style design

- Four themes / skins included

- Extremely fast.



- Supports all basic operations: + - × ÷ √

- Supports advanced operations: ∛ x² x³

- Supports brackets ( )

- Supports results up to +/- 10³⁰⁰



- Long-tap the result to copy it to the clipboard



SCIENTIFIC CALCULATOR! (landscape orientation, available as In-App Purchase)



- Power function with fully editable exponent.

- Root function with fully editable degree.

- Logarithm function with fully editable base.

- Trigonometric functions: sin, cos, tan.

- Inverse trigonometric functions: asin, acos, atan.

- Hyperbolic functions: sinh, cosh, tanh.

- Inverse hyperbolic functions: asinh, acosh, atanh.

- Factorial function (integers only).

- Modulo (remainder) operator (mod).

- Smart constants: π, e.

- Smart random number generator.

- No mode switching -- all functions immediately available.