# Calculator: Brill Calc — Simple Scientific Calculator

> Simple Scientific Calculator (iPhone/iPad app by Maxim Frolov.)

- Source: https://appshunter.io/ios/app/calculator-brill-calc/id6478857571 (this page in markdown: same URL + `.md`)
- Developer: [Maxim Frolov](https://appshunter.io/developer/1008508211)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 9+
- Requires: iOS 18.0 · 2 MB
- Languages: Arabic, Catalan, Croatian, Czech, Danish, Dutch, English, Finnish, French, German and 23 more
- Released: 2024-03-06
- Data updated: 2026-07-06
- User reviews in markdown: https://appshunter.io/ios/app/calculator-brill-calc/id6478857571/reviews.md

## What is Calculator?

A calculator with a unique hexagonal interface where all buttons are arranged in a honeycomb pattern.

Features:

- Non-standard button layout in hexagonal shapes
- Complete set of mathematical functions: basic operations, trigonometric functions (sin, cos, tan, sinh, cosh, tanh), logarithms (ln, log₁₀), powers and roots
- Additional functions: percentages, constants (π, e), exponential operations
- Memory buttons (m+, m-, AC)
- Radian/degree toggle (Rad)
- Scientific notation (EE)
- Color-coded buttons for different operation types

The interface is optimized for touch control on iPad. The hexagonal grid provides an ergonomic arrangement of frequently used functions around the numeric keypad.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Scientific Version | $4.99 | one-time |



## Version history (last 5 releases)

### 2.2 — 2026-07-01

• Haptic feedback on button taps
• Fixed sound volume

### 2.1 — 2026-04-23

• Now available on iPhone
• New landscape and scientific layouts
• Smoother transitions and improved performance

### 2.0 — 2026-04-11

Bug fixes and performance improvements.

### 1.9 — 2026-03-13

Brill Calc is now 3D! The interface matches the Apple Vision Pro version.

### 1.81 — 2025-08-01

No release notes.

## More apps by Maxim Frolov

- [Browser: Loopius](https://appshunter.io/ios/app/browser-loopius/id6739258215)

All apps by Maxim Frolov: https://appshunter.io/developer/1008508211

## Related topics

[maxim frolov](https://appshunter.io/ios/topics/maxim-frolov)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-06.*