Adding Tape II adding machine with virtual tape

Tired of adding numbers twice just to be sure you are correct? Problem solved.
Adding Tape is an adding machine with a virtual "tape."
Note: Adding Tape is modeled after an adding machine, not a calculator. The behavior of each is different.
Add and subtract numbers up to five decimal places, keeps a running total and a virtual "tape."
- Undo an unlimited number of times
- Virtual tape visible & scrollable while adding or switch to edit screen to view full screen
- selecting rows in edit mode adds virtual checkmarks to aid in checking your work
- Edit mode allows you to delete individual rows
- Remembers tape between launches
- Touch a number in the tape to copy
Optional pro features:
- Add, subtract, multiply and divide
- Key sound or mute option
- No advertisements: 53% larger tape display area
- Six different button sounds to select
- Optional decimal behavior: stays in fixed location as you enter numbers or traditional hit decimal key
- Alternate large Zero key or small '0' and '00' keys
- Printing support
- Email tape (option to format as plain text or HTML)
- Save multiple tapes
- Option: add line numbers to tape
- Option: set number of Clear Entry touches before tape is cleared