[iPhone God App] It was found using the CalcTapethe Paper Tape Calculator with Notes actually

Calculate. Comment. Correct.

CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured. CalcTape makes the arithmetic process visible - you can generate intermediate results and subsequently correct or change all numbers and operations.

- Input a long list of values to be calculated and never lose the overview - just like with an adding machine / calculator with paper tape.
- Insert comments and notes into your calculations anywhere.
- You can use intermediate results to structure your calculation.
- Use it for Tax and any other percentage calculation easily.
- If you should later change digits or whole mathematical expressions, then the complete calculation is automatically updated.
- Insert new lines or delete lines inside of your calculations and see the updated results immediately.
- Define your own keyboard layout
- Define your own functions for buttons
- Share your complete calculation via e-mail, iMessage, Airdrop and more.
- Print your calculation.
- Choose your favorite design.
- CalcTape masters the four basic arithmetical operations, exponentials, percentage calculations and much more.

CalcTape, the next generation of pocket calculator.


FAQ:
- Start a new calculation on the same sheet by simply tapping the "=" key twice.
- Do a long tap on a button to assign another existing function or to create a user function for it