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.