What's New

• We’ve listened to the many requests and moved the ‘%’ button to the main screen!
• We highly appreciate your feedback, so don’t hesitate to contact us at: [email protected] with any suggestions or questions.
• If you are happy with this update, please let us know by rating and reviewing us on the App Store!

App Description

Count on Calculator HD: Simple and Powerful, with big buttons for daily calculations. Start Calculating Now! Calculator HD combines the Standard & Scientific calculator, with extensive & easy functionality options. Calculator HD is Fast, Accurate and Beautiful, it's everything you need right in the palm of your hand!

• Basic Calculation Buttons
• Mathematical / Scientific Buttons - hidden in iPhone portrait view
• Calculate with Degrees or Radians
• Percent Button
• Memory Button
• History View: Save, Copy & Forward
• Backspace Button - Slide/Swipe the Result Screen or use the Back Button
• Quick Equation View
• Split View
• Hand off support (continue calculation on other devices via spotlight or app manager)

Addition, Subtraction, Division, Multiplication, Percentages
Cubic Exponent, Cubic Root
Engineering Exponent
Nth Exponent, Nth Root
Power of E, Power of Ten, Power of Two
Square, Square Root
Natural Logarithm, Common Logarithm, Binary Logarithm
Sine, Cosine, Tan
Arc Sine, Arc Cosine, Arc Tan
Hyperbolic Sine, Hyperbolic Cosine, Hyperbolic Tan
Hyperbolic Arc Sine, Hyperbolic Arc Cosine, Hyperbolic Arc Tan
Multiplicative Inverse, Random Number Input, Factorial

As always, we appreciate your feedback.
Please email us at [email protected] with any suggestions or questions.
If you are happy with this update, please let us know by rating and reviewing us in the App Store!

-- COUNT ON --

iPhone Screenshots

(click to enlarge)

Calculator HD screenshot 1 Calculator HD screenshot 2 Calculator HD screenshot 3 Calculator HD screenshot 4 Calculator HD screenshot 5

iPad Screenshots

(click to enlarge)

Calculator HD screenshot 6 Calculator HD screenshot 7 Calculator HD screenshot 8 Calculator HD screenshot 9 Calculator HD screenshot 10

App Changes

  • June 13, 2014 Initial release
  • October 18, 2014 Price decrease: $1.99 -> $0.99
  • January 09, 2016 New version 3.0.0
  • March 07, 2016 New version 3.0.3
  • December 09, 2016 New version 3.0.4
  • March 22, 2018 New version 3.2.9
  • March 22, 2018 Price increase: $0.99 -> $1.99
  • April 21, 2018 Price increase: $1.99 -> $2.99
  • July 16, 2018 New version 3.2.11
  • October 17, 2018 New version 3.2.14
  • December 13, 2018 New version 3.2.15