# Cuspart: myCal — Scientific & Unit Converter

> Advanced, customizable calculator with history and scientific functions. (iPhone/iPad app by Mustafa Tolga DALBUDAK.)

- Source: https://appshunter.io/ios/app/cuspart-mycal/id1546543143 (this page in markdown: same URL + `.md`)
- Developer: [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 12+
- Requires: iOS 16.0 · 13 MB
- Languages: American English, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek and 16 more
- Released: 2020-12-28
- Data updated: 2026-09-21
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/cuspart-mycal/id1546543143/reviews.md

## What is Cuspart?

Cuspart: myCal is a clear, focused calculator for everyday math, scientific calculations, and unit conversions.

From a quick calculation to a complex expression, myCal keeps everything readable in one polished workspace.

SWITCH MODES WITHOUT THE FRICTION

Move between Standard, Scientific, and Convert modes whenever you need them. Start in Scientific mode with advanced tools ready to use, or return to your last workspace instantly.

CALCULATE WITH CLARITY

* Add, subtract, multiply, and divide with confidence.
* Build expressions with parentheses and proper order of operations.
* Use percentages, negative values, memory keys, and quick delete.
* Keep the full expression visible while you type.
* Read results clearly with smart number formatting.
* Fix mistakes without restarting your calculation.

SCIENTIFIC TOOLS, READY TO GO

* Trigonometric functions with degrees and radians.
* Square, cube, and arbitrary powers.
* Square, cube, and nth roots.
* Logarithms including log10, log2, and ln.
* Exponentials including 10^x and e^x.
* Reciprocals, factorials, absolute values, floor, ceiling, and sign functions.
* Hyperbolic functions for advanced calculations.
* Instant access to π and e.

CONVERT UNITS IN ONE PLACE

Convert everyday and technical units without leaving the calculator.

* Length, area, weight, volume, temperature, and speed.
* Data, energy, time, pressure, force, and power.
* Frequency, fuel economy, voltage, resistance, and illuminance.
* Concentration and other useful categories.
* Currency conversion with clear rate status when rates are available.

YOUR HISTORY, AT A GLANCE

Keep every expression and result within reach. Review previous calculations, copy useful answers, delete individual entries, or clear your history whenever you want a fresh start.

MAKE IT YOURS

Choose a look and feel that fits your workflow.

* Light, dark, or system appearance.
* Calculator fonts designed for clear numbers.
* Multiple color palettes.
* Custom key colors with Pro.
* Large touch targets and readable typography.

OPTIONAL PRO FEATURES

Upgrade to Pro for custom key colors, additional font styles, exclusive color presets, offline access, and an ad-free workspace — all with a one-time purchase.

BUILT FOR FOCUS

Cuspart: myCal combines the familiarity of a traditional calculator with the power of a scientific workspace. Whether you're studying, working, converting units, or handling everyday math, myCal keeps your calculations clear, fast, and organized.

## Key features

- Basic and advanced arithmetic
- Roots, powers, and logarithms
- Constants library (π, e)
- Operation history
- Customizable color themes
- Accessible UI design

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 12 Month Subscription | $9.99 | per year |
| 3 Month Subscription | $2.99 | per 3 months |
| 1 Month Subscription | $0.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $2.49 | one-time |



## Frequently asked questions about Cuspart

### What are the basic math functions available in Cuspart?

Cuspart offers fast and accurate basic arithmetic operations including addition, subtraction, multiplication, and division.

### Does Cuspart support advanced mathematical functions?

Yes, Cuspart includes support for roots (square, cube, arbitrary), powers (x², x³), logarithms (log10, log2, ln), exponentials (10^x, e^x), reciprocals (1/x), and factorials (x!).

### Can I review or edit past calculations in Cuspart?

Cuspart features an intuitive operation history that allows you to seamlessly review, edit, or clear past calculations.

### Does Cuspart have ads?

Yes, Cuspart contains advertisements to support its development and free availability.

### What devices is Cuspart compatible with?

Cuspart is compatible with iPhone, iPad, and iPod devices.

### How often is Cuspart updated?

The latest version of Cuspart was released on May 28, 2025, indicating active development and regular updates.

### What is the age rating for Cuspart?

Cuspart has an age rating of 4+, making it suitable for a wide range of users.

### Does Cuspart offer subscription plans?

Yes, Cuspart offers subscription plans including 1 month for $0.99, 3 months for $2.99, and 12 months for $9.99.

## Version history (last 5 releases)

### 1.33.4552 — 2026-09-18

This update brings a smoother, more polished calculation experience.

* Added Standard, Scientific, and Convert modes.
* Improved calculation input, expression display, and decimal handling.
* Currency conversion no longer opens by default.
* Refreshed the design with improved spacing, typography, colors, and visual hierarchy.
* Improved button layouts and touch targets for a more comfortable experience.
* Refined the presentation of light and dark modes.
* Improved localization across supported languages.
* Refined layouts for longer translations and different screen sizes.
* Improved responsiveness, stability, and overall performance.

### 1.33.4551 — 2025-05-28

Overhauled our calculation engine for faster, more accurate results across all operations. Plus, we’ve squashed bugs and optimized performance for a smoother, more reliable experience.

### 1.33.4550 — 2024-12-28

Bug fixes

### 1.33.4549 — 2024-11-26

Bug fixes

### 1.33.4548 — 2024-07-21

Bug fixes

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## More apps by Mustafa Tolga DALBUDAK

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All apps by Mustafa Tolga DALBUDAK: https://appshunter.io/developer/1479052908

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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 2026-09-21.*