What's New
- Miscellaneous improvements.
App Description
A colorful calculator with BIG buttons, LOTS of features, and fully customizable. This version is ad-supported.
・Dual-line display - shows the input and result at the same time
・History tape - saves every calculation, time and date stamped
・Memory buttons - shows its value on the display
・Percentage and backspace button
・Scientific functions
・6 layouts (3 portrait, 3 landscape)
・10 color themes
・Multi-line input for really long equations
・Automatic scientific formatting
・Label any calculation in the history tape
・E-mail a calculation or the entire history tape
・VoiceOver accessibility
・iOS 9 Split View
・3D Touch
Gestures
・Swipe down to see the history tape
・Tap & hold on the result to copy
・Tap & hold on the input to move the cursor, copy, paste, convert to E-notation
Customize
・Font Size
・Bold Font
・Color Theme
・Light Tape Background
・Show Layout Button
・Allowable Layouts
・Show Memory Buttons
・Backspace Button (Solid, Arrow)
・Replace ÷ Button With /
・Replace E Button With Hidden, EE, 00, or 000
・Show Thousands Separators
・Minimum Decimal Digits
・Maximum Decimal Digits
・Sound
・Equals Repeat
・Left-Handed Mode
URL Scheme: calculatorhdprofree://
App Changes
- October 29, 2012 Initial release
- November 19, 2012 New version 1.1
- November 28, 2012 New version 1.2
- December 03, 2012 New version 1.2.1
- January 11, 2013 New version 1.3
- January 21, 2013 New version 1.4
- February 16, 2013 New version 1.5
- February 24, 2013 New version 1.6
- March 06, 2013 New version 1.7
- May 10, 2013 New version 2.0.1
- May 15, 2013 New version 2.0.2
- May 16, 2013 New version 2.1
- June 04, 2013 New version 2.2
- June 13, 2013 New version 2.3
- June 23, 2013 New version 2.4
- October 31, 2013 New version 2.5
- November 11, 2013 New version 2.6
- February 01, 2014 New version 2.7
- May 30, 2014 New version 2.8
- October 19, 2014 New version 2.8.1
- November 03, 2014 New version 2.9
- September 01, 2015 New version 2.10
- July 09, 2016 New version 3.0.1
- August 19, 2016 New version 3.1
- November 08, 2016 New version 3.1.2
- June 14, 2019 New version 4.5.1
- August 06, 2021 New version 4.7.3
- September 16, 2023 New version 4.11.1
- November 03, 2023 New version 4.11.2
- November 15, 2023 New version 4.11.3