calculaTop

calculaTop is a beautifully designed calculator built for everyday use and beyond.

Live Results

See your answer update instantly as you type — no need to press equals to know the result.

Scientific Mode

Tap SCI to unlock a full suite of scientific functions, including sin, cos, tan, logarithms, powers, factorials and more. Switch between degrees and radians on the fly.

Unit Converter

Type a number followed by a unit and get an instant conversion. Supports length (km, mi, ft, m, cm, in), weight (kg, lb, g, oz), temperature (°C, °F, K), volume (L, gal, ml), speed (km/h, mph, m/s) and area (m², ft², ha).

Calculation History

Swipe up on the display to browse your past calculations. Tap any entry to restore it and carry on from where you left off.

Copy Instantly

Long-press the result to copy it to your clipboard with one tap.

Clean, Dark Design

A premium dark interface with smooth animations, haptic feedback and a layout that works beautifully at any screen size.

calculaTop — the calculator that thinks ahead.