Simple calculations.Instantly.
A clean, fast calculator designed for the everyday sums, splits, and quick checks that move your day forward.
The tool you open, use, and trust.
Calculator cuts away the visual noise so your numbers stay at the center. Thoughtful contrast, generous spacing, and fast feedback make every tap feel immediate.
Custom Math Engine
A hand-built parser — no eval() — with proper operator precedence and right-associative exponentiation.
Scientific Mode
sin, cos, tan, ln, log, √, π, e, xʸ, x², with inverse functions via the 2nd-function shift.
Live-Preview Results
See your answer before you even press equals.
Calculation History
Revisit past results, tap to reuse, or clear it all.
8 Themes × 8 Styles
64 look combinations — mix any color theme with any UI style.
Graceful Error Handling
A friendly toast for invalid input, never a crash or dead end.
Your numbers, beautifully focused.
Everything inside Calculator.
- Custom-built math parser (no eval()) with proper operator precedence
- Basic mode: +, −, ×, ÷, parentheses, percent, decimal, and sign toggle (±)
- Scientific mode: sin, cos, tan, ln, log, √, π, e, xʸ, x², with a Degree/Radian toggle
- Shift (2nd-function) toggle for sin⁻¹, cos⁻¹, tan⁻¹, eˣ, 10ˣ
- Live-preview results — see the answer before pressing =
- Smart auto-opening/closing parentheses, plus reciprocal (1/x)
- Calculation history — view, reuse, or clear past results
- Graceful invalid-input handling with a friendly toast, never a crash
A calculator designed for everyday use.
Open it for a quick split, a shopping total, or whatever number comes next.
Android APK · Version 1.0 · Lightweight and fast