Calculator Pro - Ad Free

Calculator Pro is a fast, clean, ad-free calculator with three tools in one — a standard calculator, a full scientific calculator, and a live currency & unit converter — wrapped in a modern Material design with light and dark themes.

NO ADS. NO TRACKING. NO ACCOUNT. Just a calculator that works.

STANDARD CALCULATOR

• Big, readable display with a live result that updates as you type

• Running history tape — tap any past result to reuse it

• Memory keys (MR, M+, M−, MC)

• Thousands separators and smart number formatting

SCIENTIFIC CALCULATOR

• Every function on one screen — no hunting through menus

• sin, cos, tan and their inverses (sin⁻¹, cos⁻¹, tan⁻¹)

• ln, log, eˣ, 10ˣ, square, power, square root, reciprocal, factorial

• Brackets for building expressions like sin(30) and (2+3)×4

• DEG / RAD toggle for trigonometry

CURRENCY & UNIT CONVERTER

• Live exchange rates for major currencies (USD, EUR, GBP, JPY, INR, AUD)

• Two-way editing — type either side and the other updates instantly

• Set your own custom rates when you need them

• Length, Mass, Temperature, Volume and Speed conversions too

• Works offline using the last fetched rates

DESIGNED TO FEEL GREAT

• Clean Material 3 interface with smooth, tactile keys

• Automatic light & dark themes (or pick your own)

• Remembers your last screen, theme, and memory value

• Lightweight and quick to open

Your privacy matters: Calculator Pro collects no personal data and shows no ads. The only network use is fetching currency exchange rates.