Cuspart: myCal

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About this app

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.

What’s new

- Improved Pro purchase and settings experience.
- Polished layout, navigation, and visual consistency.
- Stability and compatibility improvements.