Technology in Education By MaximItzel Jan 1, 1890 Chalkboards were used in the classroom Feb 1, 1900 Pencils were used in classrooms Mar 1, 1907 Handheld calculators were invented and integrated into classrooms Apr 1, 1925 The firsts film projector was put in a classroom May 1, 1930 Overhead projectors started being used in the classroom Jun 1, 1940 Ball point pens were invented Jul 1, 1972 Typewriters were common in the classroom Aug 2, 1985 Graphing calculators became popular Sep 1, 1999 Interactive whiteboards were invented Oct 1, 2005 Clickers were invented Dec 1, 2010 iPads were invented and introduced to the classroom