×
Log in
Get Started
Travel
Technology
Sports
Marketing
Education
Career
Social Media
+ Explore all categories
Report -
HISTORY OF COMPUTER: ABACUS: JOHN NAPIER: BLAISE …French mathematician and philosopher Blaise Pascal. His machine was a simple calculating used for addition and subtraction purposes.
Select
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Please pass captcha verification before submit form