83Plus:RAM:91DD
From WikiTI
Synopsis
Unofficial Name: CurTableCol
Memory Address: 91DDh
Length: 1 byte
This location contains the current column that is selected in the table screen (2nd+graph) The value is zero when the independent (left) column is selected. It can also take the values 1 and 2 when you select either the left or right dependent column.
Comments
For the current column see CurTableRow. This value doesn't tell you which equation you have selected in the table for that information you might use 83Plus:RAM:91DB.