Hi again,
Forgive me but I don't know what "scientific format" is. Please show the expected output from the sample data.
$ perl -Mstrict -wE 'my $avg = (1.10000E0 + 3.10000E0) / 2.; say sprin
+tf("%E", $avg)'
2.100000E+00
?
The way forward always starts with a minimal test.
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