I noticed recently that both PHP and Qalculate! (a calculator) accept numbers like 00 or 00000 as meaning 0 (zero). I was curious if these are mathematically valid representations of zero or whether these programs are just sanitzing the input. The Wikipedia entry on zero was no help.
2026-03-28 13:27:23.1774704443
Is 000 (multiple zeros) a valid representation of zero?
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