in reply to What does this print for you?

$ C:\strawberry\perl\bin\perl.exe  -e " print pack q/d*/,(1.7453026326
+120991e+194,1.5156845462257262e-147)
Kerry Chtistmas!

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and ActivePerl
$ C:\Perl\bin\perl.exe  -e " print pack q/d*/,(1.7453026326120991e+194
+,1.5156845462257262e-147) "
Merry Christmas!

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In Section Seekers of Perl Wisdom