That means that in various calculations (on the indicated lines) you are trying to use a value from a variable that you haven't previously put a value in. This is often indicative of a problem in the logic of your program.

--
<http://dave.org.uk>

"The first rule of Perl club is you do not talk about Perl club."
-- Chip Salzenberg

In reply to Re^3: Missing $ on loop variable at measurements2.pl line 69. by davorg
in thread Missing $ on loop variable at measurements2.pl line 69. by Yoda_Oz

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