Key Calculator vs Calculator+ Simple Math

Revolutionary Tap-to-Calculate Select an operator (+−×÷) first, then tap numbers to instantly calculate results. Saves 3 steps vs traditional calculators! Customize Your Number Pad Adjust max/min values, set step increments, and save frequent numbers. Build your dream keypad for faster inputs. Undo Mistakes Instantly Typed a wrong number? Undo your last action with one tap—no restart needed. Calculation Time Machine Auto-saves every step. Tap any history entry to resume calculations right where you left off.

Calculator+ is a clean, fast calculator for everyday math. It is built to feel simple, trustworthy, and lightweight, with no account, no ads, and no cloud dependency. Use it for quick totals, homework checks, shopping math, percentages, decimals, and more capable calculations when you need them. Calculator+ keeps the focus on the calculation, with a modern interface that works well in light or dark mode. Features: - Basic arithmetic: addition, subtraction, multiplication, and division - Correct operator precedence for natural expressions - Parentheses, decimals, percent, sign toggle, and backspace - Local calculation history you can reuse - Scientific mode with sin, cos, tan, square root, powers, logarithms, pi, and e - Light, dark, and system appearance modes - Haptic feedback setting - Local-first design with no account required Calculator+ is designed as a premium everyday utility: calm, readable, responsive, and private by default.