Calculator+ Simple Math

A clean, private calculator with history, percent math, parentheses, scientific tools, light and dark themes, and no account.

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.