12. A spelling check module in accordance with claim 11 wherein said control means is responsive to a simultaneous combination of two non-printing, non-control keystrokes for storing and correct spelling of said detected typed word in said personal dictionary memory means.
11. A spelling check module in accordance with claim 8 further comprising: personal dictionary memory means for storing and retrieving certain data; said control means further responsive to said register means for storing certain data in said personal dictionary means representing a correct spelling of a word in said register means; when said control means is commanded to store said certain data; means responsive to said detected typed word in said register means for comparing said detected typed word to said correct spelling data stored in said personal dictionary memory means and for providing a second output indication corresponding to whether said dictionary does not contain a digital code corresponding to said detected typed word; and indicator means responsive to said second output indication from said control means for indicating that said detected typed word is misspelled.