Calculator – Basic & Scientific Calculator with Unit Converter

A clean, fast calculator app for everyday and advanced maths. Switch between basic and scientific mode, convert units in one tap, and review your calculation history—all without ads or sign-in.

FEATURES

• Basic calculator
Addition, subtraction, multiplication, division, percentage, and decimal support. Clear (AC) and backspace for quick edits.

• Scientific calculator
Trigonometry (sin, cos, tan) in degrees or radians, square root, power (^), pi (π), e, log, ln, factorial (!), and parentheses. Perfect for students and professionals.

• Unit converter
Convert between units in 9 categories:
– Length (m, km, cm, mm, mi, yd, ft, in)
– Area (m², km², cm², ft², in², acre, ha)
– Volume (L, mL, m³, gal, qt, ft³, in³)
– Weight (kg, g, lb, oz, mg, ton)
– Temperature (°C, °F, K)
– Speed (m/s, km/h, mph, ft/s, knot)
– Pressure (Pa, kPa, bar, psi, atm, mmHg)
– Power (W, kW, hp, BTU/h, mW)
– Time (s, min, h, day, week, ms, μs)

• Calculation history
Your last calculations are saved in-session. View or clear them anytime from the menu or Settings.

• Settings & more
Share the app, rate us on the store, contact support, and clear history. App version is shown in Settings.

PRIVACY & SIMPLICITY

• No account required – use the app immediately.
• No ads – distraction-free experience.
• No analytics or tracking – we don’t collect your data.
• Calculation and conversion data stay on your device only.

Ideal for daily use, homework, and quick conversions. Download once and use offline.