All-in-Math.
All-in-one: The Ultimate Calculator — a complete offline calculator suite that replaces a dozen apps. Nearly 200 tools for everyday math, money & finance, health & fitness, construction, statistics, games and utilities. No internet required, no sign-up, no ads, no tracking.
ALL-IN-MATH // LEGAL_DOCS
Privacy Policy - All-in-MathEverything You Need to Calculate
Works Completely Offline
No internet connection needed. Every calculator runs locally on your machine — fast, private and always available.
No Ads, No Account, No Tracking
One-time purchase with no subscriptions, no in-app purchases and no data collection. Your numbers never leave your device.
Nearly 200 Calculators in 11 Categories
Everyday math, fractions, algebra, statistics, loans & mortgages, taxes, unit conversions, geometry, health & fitness, construction estimators, games and utilities.
Instant Expression Solver
Type 1/3, 2*pi, sqrt(2) or 5! and get the answer instantly — with scientific functions like trigonometry, logarithms and factorials.
Find Any Tool in Seconds
A fast search across all calculators gets you to the right tool instantly, with keyboard shortcuts for power users.
Picks Up Where You Left Off
The app remembers your last inputs for every calculator, and offers an adjustable result text size in a clean, modern interface.
Native .NET 8 Windows App
Built with C# and .NET 8 (Windows Forms) for fast, native Windows performance. Only two small files are stored locally — layout.txt for window layout and inputs.json for your last calculator inputs — in %LocalAppData%\All-in-Math. No network connections are ever made.
Tools & Categories
- » ~200 CALCULATORS & TOOLS
- » 11 CATEGORIES
- » LOANS, MORTGAGES & INTEREST
- » HEALTH & FITNESS CALCULATORS
- » CONSTRUCTION ESTIMATORS
- » STATISTICS & PROBABILITY
- » GAMES, DICE & SUDOKU
- » UNIT & CURRENCY CONVERTERS