Calculator-Math Toolbox

This calculator is an all-in-one calculator app designed to make everyday math faster, clearer, and more practical. From basic calculations to real-life tools, it brings standard calculation, scientific functions, fractions, currency conversion, unit conversion, number system conversion, mortgage calculation, income tax estimation, BMI calculation, formula templates, and more into one app. Features Standard Calculator Fast and clean input for everyday calculations. Scientific Calculator Supports powers, trigonometric functions, inverse trigonometric functions, and other common math functions. Fraction Calculator Work with fractions more naturally with clearer input and results. Editable Calculation Process Made a mistake while calculating? Edit the expression directly instead of starting over. History and Favorites Review past calculations, save important records, and recalculate anytime. Currency Converter Quickly convert across multiple currencies, precious metals, and digital assets. Unit Converter and Number System Converter Useful for study, work, and daily problem-solving. Mortgage Calculator Estimate monthly payments, interest, and total repayment more easily. Income Tax Calculator Check after-tax income with support for tax-related deductions and contributions. BMI Calculator A quick way to calculate body mass index. Formula Templates Use built-in formulas or create your own custom formulas for repeated calculations. Extra Chinese-focused Tools Supports uppercase amount conversion and relationship title lookup. Light and Dark Mode Choose the theme that feels best for you. This calculator is built for people who want more than a simple calculator. Whether you are studying, working, budgeting, comparing loans, checking taxes, or handling repeated formulas, it helps you finish calculations more efficiently in one place.