Calculator - Pad Edition7.2 - App Store

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.

Version History • Calculation with the new updated widget
- Bugs fix and performance improvement 7.2 Jul 2 • Added most of the world's currencies for Unit Converter 7.1 Mar 2 • Improved main calulator equation font size 7.0.2 09/29/2025 • 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 7.0.1 09/10/2025 • 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 7.0 08/26/2025 • One new language localization
• Improved app usage tip shortcut in quick actions

- Bug fixed where app crashes when whole number equals to 0 in Fraction Calculator
- Bug fixed where sometimes app crashes in Unit Converter at startup when last value is overflow 6.8.4 05/07/2024 • Improved history record with Positive/Negative Button
• Improved Clear Button's function with Bracket Buttons
- Bugs fixing and performance improvement 6.8.3 04/08/2024 • Improved history record with various buttons
- Bug fixed where app crash at startup on iOS 12 6.8.2 02/07/2024 • Improved formatted number when recall from memory button
• Improved history record with brackets

- Various bugs fixed and performance improvement 6.8.1 02/02/2024 • New theme: Pinky 6.8 01/18/2024 • Added international localization for App Tracking Transparency 6.7.1 01/17/2024 • Added Google CMP options for the EEA and UK users
• Get new look with different themes for 24 hours with Reward Theme 6.7 01/16/2024 - Bug fixed where result shows as error with Arabic localization
- Bug fixed where external keyboard's navigation key are not working properly in newer iOS version 6.6.1 09/01/2023 • More colors customization for several different skins
• Improved main calculator toolbar with new option to minimal the number of buttons
• Faster tip calculation input when launch
• Improved dark mode support
• Optimized for 10.9-inch iPads layout
• Various minor skins layout improvement
• Over 30+ languages localization

- Bug fixed where buttons π and e input incorrect decimal value when locale use comma as decimal
- Bug fixed where sometimes history shows incorrect decimal value when locale use comma as decimal
- Bug fixed where sometimes app crash after tap left bracket button, then tap any operator button
- Bug fixed where current value is not retain after input left bracket
- Bug fixed related with various locales, which use comma as decimal, in Unit Converter and Tip Calculator
- Bug fixed related with calculator widget's button color
- Bug fixed where some skins bitmap do not render in high quality 6.6 07/17/2023 • New Tip Calculator to calculate tip percentage for food and drink on the fly
• Improved app performance and responsiveness when update currency data

- Bug fixed related with numbers after decimal input
- Bug fixed related with swipe gestures in Converter 6.5 03/14/2022 - Minor bug fixed related with button Clear title when press button 0 or button Decimal 6.3.2 11/25/2021 • Tweaked some buttons title color for better visibility on Blue Pearl theme 6.3.1 11/12/2021 • Added ability to customize side color on default theme

- Bug fix related with Converter result when first launch
- Bug fix related with Parsec unit of Length catalog in Converter 6.3 11/08/2021 • Optimized widget for iOS 15
• Optimized for the latest iPad devices
• Improved fraction calculator layout for iPad with home bar
• Improved paste action for main calculator

- Bug fixed where sometimes widget color does not render correctly when switch between light or dark mode 6.2 09/21/2021 • Added ability to review fraction equation from history
• Tweaked larger font size for equation in fraction calculator
• Enable status bar visibility in converter UI
• Improved basic calculation UI when use in landscape orientation
• Improved app tip to show tips for all tool buttons in main calculator UI
• Tweaked order of quick actions menu in main calculator

- Bug fix related with close button title color on some themes in converter UI
- Bug fix where there is no default value for the first time fraction calculator is used
- Bug fix where decimal result did not reset to fraction with mixed number, when continue to next calculation in fraction calculator
- Bug fix where button clear is not responded after all history entries were cleared in fraction calculator history 6.1 09/09/2021 • Solve fraction math problem quickly and easily with new fraction calculator
• Remember Converter last selected units for each catalog
• Improved history copying information
• Improved converter button title for iOS 12 or earlier

- Bug fix related with Firkin unit in Mass converter
- Bug fix where sometimes converter picker title disappears in iOS 12 or earlier 6.0 09/01/2021 - Bug fix related with all scientific notations calculation which occured in the last update 5.0.1 07/14/2021 • New currency and units converter
• New option for faster + "plus" button input on external keyboard
• Improved history action menu animation
• Improved UI state related memory buttons press action
• Improved several themes graphics and design
• Improved toolbar buttons arrangement

- Bug fixed related with button positive/negative where value contains decimal 5.0 07/12/2021 • Improved app performance
• Improved UI state related with some scientific buttons pressed action
• Minor improvement related with button 2nd title color on High-Tech skin
• Show alert for devices which using with non-standard numberal system, that can cause error and crash on iOS 9 & 10 4.0.5 02/18/2021 - Minor bug fixed where app still crash when tap on setting button on iOS 9 and 10 4.0.2 11/28/2020