What's New

• Improved history record with Positive/Negative Button
• Improved Clear Button's function with Bracket Buttons
- Bugs fixing and performance improvement

App Description

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.

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

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.

iPad Screenshots

(click to enlarge)

Calculator - Pad Edition screenshot 1 Calculator - Pad Edition screenshot 2 Calculator - Pad Edition screenshot 3 Calculator - Pad Edition screenshot 4 Calculator - Pad Edition screenshot 5

App Changes

  • August 15, 2013 Initial release
  • September 13, 2013 New version 1.0.1
  • September 21, 2013 New version 1.0.2
  • September 21, 2013 Price decrease: $0.99 -> FREE!
  • October 11, 2013 New version 1.0.4
  • October 23, 2013 New version 1.1
  • January 10, 2014 New version 1.1.1
  • February 15, 2014 New version 1.1.2
  • February 19, 2014 New version 1.1.3
  • March 13, 2014 New version 1.1.4
  • April 26, 2014 New version 1.1.5
  • August 15, 2014 New version 1.1.6
  • August 30, 2014 New version 1.1.7
  • October 10, 2014 New version 1.2
  • January 16, 2016 New version 2.0
  • November 06, 2016 New version 2.0.1
  • November 23, 2016 New version 2.1
  • June 13, 2019 New version 2.6.1
  • July 02, 2019 New version 2.7
  • August 16, 2019 New version 3.0.1
  • January 28, 2020 New version 3.0.2
  • May 05, 2020 New version 3.3
  • July 14, 2020 New version 3.3.1
  • July 16, 2020 New version 3.3.2
  • August 28, 2020 New version 3.3.5
  • October 08, 2020 New version 3.3.11
  • October 14, 2020 New version 3.4
  • December 02, 2020 New version 4.0.2
  • February 24, 2021 New version 4.0.5
  • August 05, 2021 New version 5.0.1
  • September 09, 2021 New version 6.1
  • September 21, 2021 New version 6.2
  • December 01, 2021 New version 6.3.2
  • March 16, 2022 New version 6.5
  • July 18, 2023 New version 6.6
  • September 01, 2023 New version 6.6.1
  • January 16, 2024 New version 6.7
  • January 17, 2024 New version 6.7.1
  • January 18, 2024 New version 6.8
  • February 02, 2024 New version 6.8.1
  • February 07, 2024 New version 6.8.2
  • April 08, 2024 New version 6.8.3