Thanks for your posting and using Aspose.Cells.
We were able to observe this issue after executing your code with the latest version. Cell.getStringValue() should return 0 for cell B2, but it is returning an empty string.
We have logged this issue in our database for investigation. We will look into it and fix this issue. Once, the issue is resolved or we have some other update for you, we will let you know asap.
This issue has been logged as CELLSJAVA-40888.
Hello. Thank for reply. There is exists a way for remove formula for specified cell (not all)?