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RobOMonk We don't bite newbies here... much  Re: maximum value
of a scalar  by ikegami (Pope) on Oct 21, 2008 at 21:58 UTC
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maximum value of a scalar  For 32-bit version of Perl, the
maximum integer (without using bigint or similar) that can be
stored precisely is -253 on the negative side and 253 on the
positive side.  >perl -e"printf qq{%.f\n}, 2**53+$_ for +1,0,-1"
9007199254740992 9007199254740992 9007199254740991 >perl
-e"printf qq{%.f\n}, -2**53+$_ for +1,0,-1" -9007199254740991
-9007199254740992 -9007199254740992 build settingsMax positive
integerMax negative integer 32-bit ints and double floats253 =
9_007_199_254_740_992-253 = -9_007_199_254_740_992 64-bit ints
and double floats264-1 = 18_446_744_073_709_551_615-263 =
9_223_372_036_854_775_808 64-bit ints and quadruple floats2113 =
10_384_593_717_069_655_257_060_992_658_440_192-2113 =
-10_384_593_717_069_655_257_060_992_658_4