Calculator Math Solver Home

Do all your daily math in one clean, fast app. Calculator – All in One Tools combines a basic calculator, a full scientific calculator, a complete unit converter, and seven everyday calculators in a single lightweight package — no clutter, no confusion, just answers.

🧮 BASIC & SCIENTIFIC CALCULATOR
• Simple keypad for quick everyday sums with live results as you type
• One-tap switch to scientific mode: sin, cos, tan, inverse trig, log, ln, powers, roots, factorial, π and e
• Smart percentage handling, brackets, and degree/radian modes
• Calculation history — reopen any past result with a single tap

📐 UNIT CONVERTER
Convert instantly between hundreds of units across 8 categories:
• Length, Mass, Area, Volume
• Time, Speed, Temperature, Data storage
Type a value and watch the conversion update live — no convert button needed.

🛠️ 7 SMART TOOLS
• GST Calculator — add or remove GST from any amount in seconds
• Tax Calculator — quick tax additions and reverse tax
• Currency Converter — live exchange rates that also work offline with the last update
• Discount Calculator — see the final price and exactly how much you save
• BMI Calculator — kg/lbs and cm/inches with an easy color-coded result
• Age Calculator — exact age in years, months and days, plus your next birthday
• Date Calculator — the precise gap between any two dates


Home Screen Launcher
Your faster home screen easy to calculate. Swipe left to calculate, swipe up to launch apps. No clutter, no delay — just speed.

✨ MADE TO BE PLEASANT
• Clean modern design with a warm orange accent
• Light, dark and AMOLED themes
• Optional key sound and vibration feedback
• Choose your decimal places and number format (1,234,567 or 12,34,567 and more)
• Small download size, works fully offline (currency rates refresh when online)

Whether you're splitting a bill, checking a shop discount, preparing a GST invoice, converting recipe measurements, or solving homework, this all-in-one calculator app has the right tool ready.

Download now and replace five apps with one.

Disclaimer: This tool is general/educational use only. Calculations and currency rates are estimates and shouldn't be solely relied upon — consult a professional before making any decisions.