Eleven | Calculator 4+

Seven Systems Cross-Platform Media Limited

    • 5.0 • 2 Ratings
    • Free
    • Offers In-App Purchases



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 1.5


- Enable/disable Smart Buttons correctly when moving the cursor.
- Avoid slight precision errors when displaying the result of certain calculations, hopefully avoiding further one-star reviews.
- Layout fixes for iPhone X/11 and iOS 13.

Ratings and Reviews

5.0 out of 5
2 Ratings

2 Ratings

App Privacy

The developer, Seven Systems Cross-Platform Media Limited, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.

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