CalcSage AI Calculator & Tools

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Contains ads

About this app

CalcSage is an all-in-one calculator app with 26 built-in calculators, converters and an AI math solver. One app instead of twenty.

Type a calculation, point your camera at a handwritten problem, or just ask. Every answer can show its steps.

━━━ AI MATH SOLVER ━━━
Powered by Google Gemini.
• Photo math solver — scan a math problem with your camera or from your gallery
• Step by step math solver for algebra, geometry, statistics, probability and calculus
• Word problems, physics and chemistry calculations
• Ask "why" or "explain" and get a plain-language answer, not just a number
• A math homework helper that shows the working
• Listen to any answer read aloud
• 20 free AI credits to start, and more whenever you choose to watch a rewarded video

━━━ CALCULATOR ━━━
• Live result preview as you type
• Scientific calculator: sin, cos, tan, ln, log, √, powers, 1/x, factorial, π, e, DEG/RAD
• Smart bracket handling and percentages
• History of your last 500 calculations, grouped by date — tap any entry to reuse it
• Long-press to copy the result or expression, or long-press a history row to select and copy several at once

━━━ FINANCE · 10 TOOLS ━━━
• EMI / Loan calculator with a full amortization schedule you can share as a PDF
• GST / VAT / Sales Tax calculator — add or remove tax, with one-tap slab presets
• SIP calculator / Investment calculator for monthly deposits
• FD / RD calculator for maturity and interest
• Compound interest calculator
• Inflation calculator for past or future value
• Split bill calculator with tip
• Goal planner — the monthly saving your target actually needs
• Currency converter with live rates for 25 currencies
• Gold rate calculator — live gold and silver prices by weight

━━━ HEALTH · 4 TOOLS ━━━
• BMI and BMR
• Body fat calculator (US Navy method)
• Calorie calculator and TDEE calculator
• Water intake calculator

━━━ TRAVEL · 4 TOOLS ━━━
• Fuel cost calculator
• Trip budget calculator — total and per person
• Trip ETA — when you'll actually arrive
• World clock and time zone converter for 20+ cities

━━━ EVERYDAY · 8 TOOLS ━━━
• Unit converter for length, weight, temperature, speed, area, volume, time, data and power
• Age calculator — exact age and next birthday
• Date calculator — days between dates, or add days to one
• Percentage calculator for discounts, change and markup
• GPA / CGPA calculator
• Binary, hex and octal base converter
• Word count and text tools
• Randomizer for numbers, lists, dice and coins

━━━ BUILT THE WAY IT SHOULD BE ━━━
• No sign-up, no account, no login
• No banner ads or pop-ups. The only ad is an optional rewarded video, and only if you choose to watch one for extra AI credits
• Most tools work fully offline — only the AI, currency and metal rates need a connection
• Light, Dark, Midnight (true black AMOLED) and Sepia themes with custom accent colors
• Indian number format (lakh, crore) supported alongside international grouping
• Pin any tool to Favorites and open straight to it
• Full TalkBack support, reduce-motion respect and screen-reader labels
• Your calculation history stays on your device

One calculator app for math, money, health and travel.