# Offline AI Calculator — Your Personal Mathematician

> Your Personal Mathematician (iPhone/iPad app by Siva Vimel Rajhen.)

- Source: https://appshunter.io/ios/app/offline-ai-calculator/id6817198289 (this page in markdown: same URL + `.md`)
- Developer: [Siva Vimel Rajhen](https://appshunter.io/developer/1884823646)
- Category: Utilities, Education
- Price: $9.99
- Age rating: 4+
- Requires: iOS 17.0 · 778 MB
- Languages: American English
- Released: 2026-10-01
- Data updated: 2026-10-12
- User reviews in markdown: https://appshunter.io/ios/app/offline-ai-calculator/id6817198289/reviews.md

## What is Offline AI Calculator?

Offline AI Calculator is more than a calculator. Private, precise, and completely offline. No account. No subscription. No internet connection required.

CALCULATE AS YOU TYPE
• Results appear instantly while you type, with correct order of operations
• Natural percentage calculations: 200 + 10% = 220
• Accurate decimal calculations: 0.1 + 0.2 = 0.3
• Exact fractions alongside decimals: 1/3 + 1/6 = 1/2
• Tap Steps to see every operation clearly, one line at a time
• Memory functions: M+, M−, MR, MC
• Ans, undo, and redo for everything you type

POWERFUL SCIENTIFIC CALCULATOR
Go beyond basic arithmetic with more than 40 built-in functions:
• Trigonometric, inverse, and hyperbolic functions
• Degrees and radians
• ln, log, log2, powers, roots, factorial, nCr and nPr
• Absolute value, modulo, π and e
• GCD, LCM, mean, median, standard deviation, rounding, and more
• Large-number calculations such as 170! = 7.2574156153E306

ASK IN PLAIN ENGLISH
Type what you need instead of figuring out which buttons to press:
• “30 is what % of 120?”
• “18% tip on $64 split 3 ways”
• “25% off 80”
• “100 plus 8% tax”
• “Convert 5 km to miles”
• “Days until Christmas”
• “What is the average of 12, 18, 24 and 30?”
• “Solve x² − 5x + 6 = 0”
• “Solve these simultaneous equations”
• “Calculate my monthly mortgage payment”

Work with percentages, tips, discounts, taxes, margins, interest, loans, mortgages, statistics, primes, factors, equations, number bases, unit conversions, dates, and more.

YOUR CALCULATOR UNDERSTANDS WORD PROBLEMS
• Describe a problem naturally and Offline AI turns it into a calculation: “I bought 4 notebooks at 3.75 each and paid with 20. How much change?”
• The AI identifies the numbers and meaning in your question, while the calculator performs and verifies the actual arithmetic. The app shows what it understood before presenting the answer, helping you see exactly how your question was interpreted.
• You can also ask the AI to explain mathematical concepts, describe calculation steps, or suggest labels for your history.

15 POWERFUL TOOLS
• Unit Converter — 13 categories and 90+ units
• Percentages
• Tip & Split
• Discount, Tax & Margin
• Loan & Mortgage — including yearly schedules
• Savings & Growth — compound interest, deposits, and growth rates
• Statistics — including histogram
• Equation Solver — single and simultaneous equations
• Graph Plotter — functions, roots, intersections, and interactive tracing
• Programmer Calculator — decimal, hexadecimal, binary, octal, and bitwise operations
• Dates
• Exact Fractions
• Primes & Factors
• Best Buy — compare unit prices
• Memory & Variables

A HISTORY BUILT FOR YOU
Keep track of calculations, AI answers, and saved tool results:
• History grouped by day
• Search, filter, pin, and label entries
• Reuse previous results in new calculations
• Swipe to delete or select multiple entries
• Undo and redo deletion, pin, and label changes
• Keep history forever or automatically remove entries after 1 year, 90, 30, or 7 days
• Pinned entries always remain
• Export your history as text or CSV

Customize number formatting, decimal precision, scientific notation, thousands separators, fractions, live answers, haptics, angle units, and whether Offline AI is enabled.

PRIVATE BY DESIGN
• Your calculations and AI interactions stay on your device.
• The AI runs locally using an offline AI model built into the app. There are no required downloads, accounts, analytics, tracking, or network connections. The app continues to work without an internet connection, including in flight mode.
• Your history, settings, memory, and variables remain on your device. Delete the app and its local data is removed with it.

Just a powerful calculator with offline AI, built to help you calculate, understand, convert, solve, and explore - privately and without an internet connection.


## Version history (last 1 release)

### 1.0 — 2026-10-01

No release notes.

## More apps by Siva Vimel Rajhen

- [Offline Internet](https://appshunter.io/ios/app/offline-internet/id6760530377)
- [DigitalOman.ai](https://appshunter.io/ios/app/digitalomanai/id6760588911)
- [Offline Internet](https://appshunter.io/ios/app/offline-internet/id6761016375)
- [Offline AI](https://appshunter.io/ios/app/offline-ai/id6761400031)
- [Car Run: Traffic Racer](https://appshunter.io/ios/app/car-run-traffic-racer/id6761805342)
- [Offline Email AI](https://appshunter.io/ios/app/offline-email-ai/id6763200020)

All apps by Siva Vimel Rajhen: https://appshunter.io/developer/1884823646

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-12.*