in reply to strange arithmetic

If you had warnings enabled you'd be seeing:

C:\test>perl -wE"print (1-1/2000)**$i;" print (...) interpreted as function at -e line 1. Useless use of exponentiation (**) in void context at -e line 1.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice. Agile (and TDD) debunked