Calculator AiO vs Voice Calculator HD+ Usage & Stats

Introducing Calculator AiO — the calculator that adapts to how you work. Type on a crisp keypad, snap a photo of a problem, draw on a grid, chat with Math-AI, plot graphs, convert units and currency, and keep private media in a secure Vault. Your calculation history is always saved. 1) Calculator • All-in-One A fast, accurate keypad with advanced operators, history/tape, and undo/redo. Designed for clarity and speed. 2) Capture & Solve (Photo Math) Take a picture of an equation and get the step-by-step solution in seconds. Great for checking work anywhere. 3) Ask Math-AI to Solve Chat with a built-in math assistant. From quick arithmetic to tougher problems, get concise, plain-text steps and explanations. 4) Draw & Get Instant Results Write on a clean grid and see the expression recognized and evaluated immediately. 5) Plot Graphs & Inspect Plot linear, quadratic, polynomial, trigonometric, and more. Pan/zoom smoothly and inspect roots and intercepts. 6) Secure Images & Videos (Vault) Lock private media behind passcode/biometrics. Your files stay private and organized the way you want it. 7) Convert Units & Currency Quickly convert lengths, weights, temperatures, and more — plus live currency conversion. 8) Change Color Themes Personalize your workspace with multiple themes and adjustable font sizes. Why you’ll love it • Ad-free, privacy-minded design • Multiple input modes: keypad • camera • handwriting • Math-AI chat • Saved history you can revisit and reuse • Beautiful, responsive UI with thoughtful haptics • Angle units: degrees • radians • gradians (gon) • Advanced math: powers, roots, logs, trig, calculus helpers, and more Calculator AiO turns every kind of input — photo, drawing, text, or chat — into fast, reliable results with clean explanations and powerful tools. All in one.