Innovation of the Calculator By Skater501 Sep 1, 1642 Blaise Pascal invents the first adding machine Period: Sep 1, 1642 to Sep 1, 2012 Innovation of the Calculator Sep 1, 1886 First commercially sucessful adding machine Sep 1, 1894 first calculating machine capable of multiplication Sep 1, 1958 Texas instruments makes the first integrated circuit Sep 1, 1966 Texas Instrument makes a small pocket sized calculator Aug 15, 1967 Texas instruments invents the Graphing Calculator Graphing Calculator Sep 1, 1972 First electric battery powered calculator was patented