Computer History By Chedward Oct 24, 1642 first calculator Period: Oct 24, 1642 to Oct 24, 2013 Computer History Oct 24, 1700 first calculator to add, subtract, multiply, and divide Oct 24, 1800 first calculator to peform complex operations Oct 24, 1900 first calculator to run on electricity Oct 24, 1944 mark 1 was created by IBM Oct 24, 1946 ENIAC Oct 24, 1951 UNIVAC Oct 25, 1956 smaller, faster, more reliable computer Oct 25, 1970 microprocessor, an entire CPU on a single chip was created Oct 25, 1981 the first apple computer
