Syntax - @MID(Text,NumCharacters)
Parameters :
Text - Any text or numeric field.
NumCharacters - Any integer.
Action - Returns a string consisting of the rightmost characters in Text, starting at NumCharacters, counting from the left.
Example - @MID([INV:Description],5)
Result - Prints the Description, starting with the fifth character.
See:
Filters and Formula Functions - All
Edit Variable Screen
Variables in SubTotals and Grand Totals
Filters and Formula Operators
Filters - Transaction Types