Hi Guestimator,
Thank you for the excellent presentation of your problem. I may be missing something, but I don't think Row 30 on Sheet 'Neut' is needed.
Try the following code, which is in the attached copy of your file:
To prevent typos from ruining days and weeks of work 'Option Explicit' is NEEDED at the top of each code module. This prevents errors caused by missspellings and FORCES every variable to be DECLARED (e.g. Dim i as Integer). https://www.excel-easy.com/vba/examp...-explicit.html
Debugger Secrets:
a. Press 'F8' to single step (goes into subroutines and functions).
b. Press SHIFT 'F8' to single step OVER subroutines and functions.
c. Press CTRL 'F8' to stop at the line where the cursor is.
d. 'Left Click' the margin to the left of a line to set (or clear) a BREAKPOINT.
e. Press CTRL 'G' to open the IMMEDIATE WINDOW. 'debug.print' statements send their
output to the IMMEDIATE WINDOW.
f. Select View > Locals to see all variables while debugging.
g. To automatically set a BREAKPOINT at a certain location put in the line:
'Debug.Assert False'
h. To conditionally set a BREAKPOINT at a certain location put in lines similar to:
if i >= 20 and xTV20 > 99.56 then
Debug.Assert False
endif
i. A variable value will be displayed by putting the cursor over the variable name.
To manually set a breakpoint, see http://www.wiseowl.co.uk/blog/s196/breakpoints.htm
Lewis
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