Calculate Smart

Calculate Smart lets you fix any part of a calculation without starting again. Tap or drag to place the cursor, select digits or operators, and see the result update instantly. Features: • Edit any digit or operator • Live results with exact decimal arithmetic • Standard and full scientific calculators • Exact fractions with mixed-number results • Seven guided percentage calculations • Twelve searchable unit-conversion categories • Currency conversion with favorites, daily Frankfurter reference rates, and offline caching • Familiar percentages and smart parentheses • Searchable, offline calculation history • Reopen and edit previous calculations • Pin important calculations for quick access • Copy, share, or export history as text • Indian, international, and device-default number formatting • Automatic or fixed decimal-place display • Multiple themes, button shapes, and System/Light/Dark appearance controls • Full keyboard support on iPad and Mac • VoiceOver and larger-text support • No ads, accounts, analytics, or tracking Your calculations and history stay on your device. Calculator and unit-conversion features work offline. Currency rates are refreshed from Frankfurter when available and cached for offline use; displayed rates are reference values and can differ from financial providers.