If I remember my history correctly, mathematics really didn't exist until the Arabic form of numbers came along. Just simple tallies. But this is getting off topic.
Concept of a numerical zero first appeared in India, 458 A.D.
Vaclav's claim was that mathematics "really didn't exist" before Arabic numerals were around, tho. mathematics was around for a long time before that^. pretty complex math, too. ancient civilizations were able to create giant mathematically precise structures, track the movements of the stars and planets etc etc well before 458 AD. the existence of a numerical zero isn't really a good benchmark here.
so off topic lol
So I take it, it only jump started OUR mathematics then? Or were there previous base-10 numbering systems previous to Arabic?
what do you mean "OUR"?
and yeah, there were other base-10 systems. counting to 10 is pretty natural since humans have 10 fingers.
there have been more complex number systems that predated Arabic numerals -- for example, Sumerians used base-60 starting around 3000 BC.
"Ours" as in the one's that we all are used to using in this era. Interesting info though.
GameStop offering an extra $50 trade in for Xbox one and PS4. Made my launch 500gb ps4 trade in value $200, which is pretty damned good. I had just upgraded to the pro with that amazon trade in deal for $299, so only $100 trade up cost. Well, that and having to go to GameStop
they do, but it’s a lesser amount. And I’m not sure about the extra $50.GameStop's still give cash for trade-ins? Any in my city only give store credit.
It was $150 with an extra $50, so $200 total. Amazing deal considering new 1TB bundles were less during the holidays.So the $150 it shows for a 500gb OG PS4 on the app/website is before the extra $50? I had looked at trading my old one in as well because I did the Amazon pro deal too but when I looked it was only $100 (this was right after Christmas) so I figured the $150 was inclusive of the extra $50.
If it’s not and you can actually get $200 I may bite and go ahead and trade it in.