YYi Calculator

Personalize your calculator with rich themes and keep every calculation organized in tabs. Explore powers, roots, logarithms, trigonometry, constants, random values, memory, and parentheses. Organize work in tabs, reuse any past number, and see each tab’s total and average. Live formulas remain visible until you calculate, and the interface adapts to portrait and landscape. YYi Calculator is free: no account, ads, analytics, or tracking. Create custom themes with your own colors, font, and text size. Reuse complete formulas from history for further editing, with confirmation before replacing the current calculation. Version highlights 1.4 • Reuse complete formulas from history for further editing, with confirmation before replacing the current calculation. • Improved localized labels and confirmations for history actions. • Improved input responsiveness and background saving. • Windows now share a single draft and history, with consistent restoration when reopening the app. 1.3 • Custom fonts and text size, plus localized Shortcuts and Siri phrases. 1.2 • Custom theme colors and a refreshed theme preset palette. 1.1 • Basic and scientific calculations, history tabs and number reuse.