Calculator Sci Unit Converter

A quick, tidy calculator for daily sums and advanced maths. Scientific mode covers trig, powers, and logs; the built-in converter handles length, weight, temperature, and currency.

Revisit earlier answers from your on-device history—copy, reuse, or audit past calculations in seconds. Handy percentage, VAT, and tip tools for shopping and meals out.

• Standard & scientific calculator • Unit converter: length, weight, temp, currency • Full calculation history with copy • Percent, VAT, and tip shortcuts • Offline-first — no sign-in needed • Works on phone and tablet

Ideal for students, professionals, and anyone who wants a dependable calculator with local privacy.