Description: "Add Decimal Place" or "Delete Decimal Place" buttons have no effect on scientific format.
Steps to reproduce:
1. Enter a scientific value, such as 1.234E-3
=> Default scientific format display it as "1.23E-003"
2. Click on button "Add Decimal Place" to show last significant digit
Format should be modified to "1.234E-003"
Reproducible with LO 188.8.131.52, Win 8.1.
fixed this problem