Now with a Widget available as an In App Purchase (exclusively available in the Paid version of the app).
・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
・6 layouts (3 portrait, 3 landscape)
・9 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
・iOS 9 Split View
・New! Widget (available as an In App Purchase)
-Swipe down to see the history tape
・Swipe left or right on the keypad to switch between basic and scientific keys
・Swipe left on the display to backspace
・Swipe right on the display to clear
・Tap & hold on the result to copy
・Tap & hold on the input to move the cursor, copy, paste, convert to E-notation
・Light Tape Background
・Show Layout Button
・Show Memory Buttons
・Replace ÷ Button With /
・Replace E Button With Hidden, EE, 00, 000
・Show Thousands Separators
・Minimum Decimal Digits
・Maximum Decimal Digits
calculatorhdpro:// (paid version)
calculatorhdprofree:// (free version)
For most apps, the only difference is that the Free version has ads. The Paid versions of Calculator HD Pro and Calculator Pro Elite also have an exclusive Widget available as an In App Purchase.
The Widget can be accessed in your Today View or by 3D Touch on the app icon. For more information, please visit Apple at https://support.apple.com/en-us/HT207122
From within the app, go to Settings, and scroll down to the bottom of the first page and tap Restore Purchases.
No, you only have to pay once and then you can download it again for free onto all of your devices.
The app is universal and works with both the iPhone and the iPad.
You can also share your purchase with others in your family if you have Family Sharing enabled on your account.
For more information about Downloading Previous Purchases and Family Sharing, please visit Apple at https://support.apple.com/billing
The Paid version of the app is a totally separate app, so look for a new icon on your device without the word Lite on it.
Start using the Paid version from now on, and delete the Free version from your device so that you do not open it by mistake.
Here is what the two different icons look like for reference: