: You can tap any figure or operator in a long calculation and change it; the app instantly recalculates all subsequent results.

: Create your own programmable buttons or text snippets (e.g., a one-tap button to add 15% VAT).

is a unique "tape calculator" that functions like a spreadsheet with a calculator interface, allowing you to edit values at any time and see the results update automatically. The Pro version (specifically including builds like 202003261009 ) unlocks advanced customization and file management features that are restricted in the free version. Core CalcTape Features

: Use subtotals to structure and verify long lists of numbers.

: Save specific calculation structures to reuse later by simply swapping out the numbers. Exclusive Pro Features