YYi Calculator
Fast math. Clear thinking.
YYi Calculator
Everyday and scientific math in one clear workspace: parentheses, percentages, powers, roots, trigonometry, logarithms, constants, random values, and degree or radian mode. Organize results in named history tabs, reuse an answer instantly, use memory controls, and personalize the appearance.
YYi Calculator
Keep the full formula visible, then tap a value from history, totals, or averages to use it in the next calculation. Copy, paste, or share a calculation, and helpful recovery keeps valid parts visible when an expression needs attention.
YYi Calculator
Your calculations, history, and appearance choices stay on your device. YYi Calculator has no account, advertising, analytics, or tracking.
YYi Calculator does not send or retain calculation or profile data off your device. You can clear saved history in the app at any time; deleting the app removes its local data.
CAIXIN GAO · gaocaixin.ch2@gmail.com