# Calculator - Pad Edition — Fulfill the missing calculator > A versatile calculator app with scientific, programmer, and conversion tools. (iPhone/iPad app by Ratha Sou.) - Source: https://appshunter.io/ios/app/calculator-pad-edition/id685860762 (this page in markdown: same URL + `.md`) - Developer: [Ratha Sou](https://appshunter.io/developer/590343618) - Category: Utilities, Productivity - Price: Free with in-app purchases - Rating: 4.70/5 from 353,158 App Store ratings · 1,065 written reviews indexed - Age rating: 4+ - Requires: iOS 11.0 · 47 MB - Languages: Arabic, Burmese, Khmer, Catalan, Croatian, Czech, Danish, Dutch, English, Finnish and 24 more - Released: 2013-08-14 - Data updated: 2026-08-26 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/calculator-pad-edition/id685860762/reviews.md ## What is Calculator? Designed to fill in for the missing calculator app on the iPad with simplicity and functionality. This app features the modern design of flat UI of iOS which look like original built-in app. Users can make basic calculation in portrait and handy scientific calculation in landscape. It provides all scientific functions such as root, power, factorial, exponential, divisions, and logarithm are supported. Including trigonometric functions like sine, cosine, tangent, arch, and more. Unlock the power of binary, octal, decimal, and hexadecimal math with Programmer Calculator. Solve fraction math problem quickly and easily with Fraction Calculator. Includes international currency conversion and variety of units conversion categories. Tip calculator to calculate tip percentage for food and drink on the fly. Save time when use bill splitter, and tip exactly what you mean to, no more, no less. BASIC/SCIENTIFIC CALCULATOR • All functions like the original calculator app • Basic calculation in portrait • Scientific calculation in landscape • Manual basic & scientific calculator switching in portrait or landscape orientation • Access result and do calculation on widget • Switch between Degrees and Radians calculations • Make more complex calculations with Memory buttons • Simply swipe on the digits to delete a single wrong digit UNIT CONVERTER • Currency converter with daily updated exchange rates in the universal currency • Freely convert units from variety of categories • All catalogs in converter include: Currency, Area, Data, Length, Mass, Velocity, Temperature, Time, Volume, Acceleration, Angle, Current, Energy, Force, Illumination, Inductance, Magnitude, Power, Pressure, Radiation and Torque FRACTION CALCULATOR • Built-in fraction calculator to solve fraction math • Display result in proper fraction, improper fraction or decimal number PROGRAMMER CALCULATOR • Multi-base calculations with seamlessly switch between binary, octal, decimal and hexadecimal • Perform arithmetic and logical operations • Directly view and manipulate the individual bits of the binary number with built-in Bit Editor TIP CALCULATOR • Calculate tip of bill on the fly • Split the bill to share with others • Simply swipe to round any number of total, tip, or per person • Built-in share function to easily share the number with others SIMPLICITY • View whole calculation equation in calculator • Check previous calculation with history • Copy and paste numbers from or into display • Support split view multitasking • Support external hardware keyboard input INTERFACE • Get new feel of different looks with multiple themes • Easy one-hand usage with resizable and draggable interface • Pinch to scale calculator size • Quick actions by tap and hold calculator area • Buttons feedback sound to ensure you touch the buttons correctly NOTES: • To add widget in iOS 14 or later, scroll to the bottom of the widget list, tap Edit, tap Customize, add Calculator widget, and tap Done. ## Key features - Basic and scientific calculations - Fraction and programmer calculators - Unit and currency converter - Tip calculator and bill splitter - History and memory functions - Customizable themes and interface ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlock Full Version | $5.99 | one-time | ## What do users think of Calculator? Overall sentiment: positive **Pros** - 👍 Easy to use - 🚀 Performs calculations quickly - 💡 Helpful for math homework and studies - 🔍 Provides calculation history - 🎨 Customizable themes and wallpapers **Cons** - 🔍 Too many ads - 🐛 Occasional bugs and glitches - 🔍 Ads can be distracting - 🔍 Subscription model for some features **Commonly reported bugs** - Calculation errors in certain cases - App crashing on older devices - Issues with the slide-over mode display **Most requested features** - Voice input for calculations - Ability to delete individual digits - More advanced scientific functions - Improved split-screen/multitasking support ## Recent user reviews (10 of 1,065) All indexed reviews: https://appshunter.io/ios/app/calculator-pad-edition/id685860762/reviews.md ### 2/5 — Font is size 2 for the text for calculations. *2026-08-25, version 7.2* Used to love this app but sometime in the last year the font dropped to about a size 1 or 2. Far too tiny. ### 5/5 — Calc buddy *2026-08-25, version 7.2* Normal calculator ### 5/5 — Claudio *2026-08-23, version 7.2* García ### 5/5 — Good to use test *2026-08-23, version 7.2* Great 👍 ### 4/5 — It helps me in skewl *2026-08-23, version 7.2* What 1+1 again? ### 3/5 — Too many adds *2026-08-21, version 7.2* It is a good app but to many ads ### 5/5 — Duahax😊☺️ *2026-08-20, version 7.2* It helps me alot in my maths ### 4/5 — Amazzzinggg *2026-08-19, version 7.2* It makes homework WAY MORE EASYYYYYYY 🤪🤪🤪 ### 5/5 — Calculator *2026-08-19, version 7.2* It works ### 1/5 — Ads *2026-08-15, version 7.2* TOO MANY STUPID POP-UP ADS REMOVE THAT PLEASE !!! ## Frequently asked questions about Calculator ### What does the Calculator - Pad Edition app do? This app is designed to provide a comprehensive calculator experience for iPads. It includes basic and scientific calculations, a fraction calculator, a programmer calculator for multi-base math, a tip calculator, and a bill splitter. It also offers extensive unit and currency conversion capabilities. ### What are the key features of this calculator app? Key features include basic and scientific calculations in both portrait and landscape modes, multi-base calculations (binary, octal, decimal, hexadecimal), fraction math, currency and unit conversions with daily updated rates, a tip calculator with bill splitting, and a calculation history. It also supports external keyboard input and split view multitasking. ### Is this app free to use? The app is free to download and use with in-app purchases available. This suggests that while core functionality is accessible, certain advanced features or customization options might require a purchase. ### What kind of calculations can I perform with the scientific calculator? The scientific calculator supports a wide range of functions, including roots, powers, factorials, exponentials, divisions, logarithms, and trigonometric functions like sine, cosine, and tangent. It also allows switching between degrees and radians for calculations. ### How does the unit converter work? The unit converter offers a vast array of conversion categories, including currency, area, data, length, mass, velocity, temperature, time, and many more. It uses daily updated exchange rates for currency conversions and allows for seamless conversion between various units within each category. ## Version history (last 5 releases) ### 7.2 — 2026-07-02 • Calculation with the new updated widget - Bugs fix and performance improvement ### 7.1 — 2026-03-02 • Added most of the world's currencies for Unit Converter ### 7.0.2 — 2025-09-29 • Improved main calulator equation font size ### 7.0.1 — 2025-09-10 • New option to restore classic button 0 layout • Improved Programmer Calculator external keyboard shortcut - Bug fixed where sometimes basic and scientific modes are not switched correctly at app launch - Bug fixed related to Programmer Calculator UI color - Bug fixed related to clear button in Programmer Calculator - Bug fixed related to +/- sign in Unit Converter ### 7.0 — 2025-08-26 • New: Programmer Calculator with built-in Bit Editor • Faster other calculators launching with Quick Actions • Improved basic and scientific modes automatic switching based on window size • Optimized for the latest iOS version • Get access to Reward Theme at anytime • New delete button to erase a single digit • Improved UI responsiveness with various buttons - Bug fixed where sometimes swipe to delete a single digit is not working - Bug fixed related with +/- sign after operator - Bug fixed where +/- sign cannot be added after maximum digits reached ## Apps similar to Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Calculator⁼](https://appshunter.io/ios/app/calculator/id487127942) | 4.6 (358,262) | Free | Utilities | | [Basic Calculator+](https://appshunter.io/ios/app/basic-calculator-plus/id539356791) | 4.9 (242,697) | Free | Utilities | | [Calculator Air: AI Math Solver](https://appshunter.io/ios/app/calculator-air-ai-math-solver/id1173365557) | 4.7 (83,383) | Free | Utilities | | [Color Calculator-smart&cute](https://appshunter.io/ios/app/color-calculator-smart-and-cute/id1492634383) | 4.7 (15,610) | Free | Utilities | | [Calculator₊](https://appshunter.io/ios/app/calculator/id398129933) | 4.7 (1,726,794) | Free | Utilities | | [Calculator](https://appshunter.io/ios/app/calculator/id552974550) | 4.5 (145,741) | Free | Utilities | ## More apps by Ratha Sou - [SP Camera](https://appshunter.io/ios/app/sp-camera/id603037910) - [Mirror Magnify](https://appshunter.io/ios/app/mirror-magnify/id623826677) - [Start A End Z](https://appshunter.io/ios/app/start-a-end-z/id642295345) - [The U.S. Presidents](https://appshunter.io/ios/app/the-us-presidents/id648389569) - [The World Flags *](https://appshunter.io/ios/app/the-world-flags/id649195431) All apps by Ratha Sou: https://appshunter.io/developer/590343618 ## Related topics [calulator](https://appshunter.io/ios/topics/calulator) · [calculadora](https://appshunter.io/ios/topics/calculadora) --- *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 2026-08-26.*