Calculator - Spoken Formulas

Smart Calculator+ keeps every calculation clear, editable, and easy to revisit. • Tap any number or operator to edit an expression and update the result instantly • Basic and scientific keypads with trigonometry, logarithms, powers, roots, factorials, permutations, and combinations • Save calculation history with notes; search, load, reuse, and review detailed statistics • Share formulas, results, and notes as a clean long image • Customize a simpler keypad and make frequently used keys larger • Chinese, Japanese, and English key and result voices • Dark mode, text size, decimal precision, angle unit, key sounds, and haptics • An optional one-time Pro purchase removes ads and unlocks interactive Quick Calculation widgets Calculations and notes stay on your device. No account is required.