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.

What’s New

Version 1.41


- Added new theme "MaxPro".


- Smoother display update when changing between landscape and portrait orientation.
- Better compatibility with iPhone X and the new iPad Pro.


- Fix inaccurate cursor movement by touching / swiping the input area.

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating


Seven Systems Cross-Platform Media Limited
1.6 MB

Requires iOS 11.4 or later. Compatible with iPhone, iPad, and iPod touch.


English, German, Spanish

Age Rating
Rated 4+
© 2019 Seven Systems Cross-Platform Media Limited
In-App Purchases
  1. Scientific Calculator $0.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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