And we have the Italians (Leonardo de Pisa) <- {Indians,Muslims} to thank for the base 10 decimal notation, otherwise we'd all still be using Roman numerals.We have the Babylonians and their base 60 system to thank for that. But we express it in base 10,
There are those who think we'd be better off switching to base 12 numbering http://www.dozenalsociety.org.uk/ Now that would be fun!
Going to base 12 would also fit with going back to inches, shillings, ...