2006-10-09 07:48:45 · 5 answers · asked by bhulokaramanna 2 in Science & Mathematics ➔ Mathematics
Thomas de Colmlar invented it in 1820.
2006-10-09 07:52:42 · answer #1 · answered by James L 5 · 1⤊ 0⤋
In 1820 the Arithmometer, invented by Charles Xavier Thomas de Colbrar, is introduced. Fifteen hundred models were sold over the next thirty years, chiefly to banks, insurance companies, and other businesses.
You will find here a picture of it:
http://wwwstud.fh-zwickau.de/~jek/Meilensteine/meilensteine.html
2006-10-09 08:10:07 · answer #2 · answered by sebourban 4 · 1⤊ 0⤋
Charles Xavier Thomas de Colbrar,,, of Colmar France invented it in 1820
2006-10-09 07:52:01 · answer #3 · answered by Anonymous · 1⤊ 0⤋
I agree with the previous answerer's,and I want to add that the right word is Arithmometer from the Greek word Arithmos (number)
2006-10-09 08:00:02 · answer #4 · answered by qwine2000 5 · 1⤊ 0⤋
It wasn't the first... The origins of abacus can be traced to 500BC. In it's modern form, 1200 AD
2006-10-09 08:16:35 · answer #5 · answered by Holden 5 · 0⤊ 1⤋