11. An electronic calculator as in claim 5 wherein: said keyboard input means includes a plurality of editing keys for initiating editing of a line of one or more alphameric statements, entered into said buffer storage means from said keyboard input means or recalled thereto from said memory means, without altering the contents of said memory means; and said processing means is responsive to selected actuation of said plurality of editing keys for performing one or more designated editing functions, said processing means being further responsive to actuation of said store control key, following editing of a line of one or more alphameric statements stored in said buffer storage means, for storing that edited line in said memory means.
11. An electronic calculator as in claim 5 wherein: said keyboard input means includes a plurality of editing keys for initiating editing of a line of one or more alphameric statements, entered into said buffer storage means from said keyboard input means or recalled thereto from said memory means, without altering the contents of said memory means; and said processing means is responsive to selected actuation of said plurality of editing keys for performing one or more designated editing functions, said processing means being further responsive to actuation of said store control key, following editing of a line of one or more alphameric statements stored in said buffer storage means, for storing that edited line in said memory means. 12. An electronic calculator as in claim 11 wherein said processing means is responsive to actuation of said store control key, following editing of a line of one or more alphameric statements recalled to said buffer storage means from said memory means, for storing that edited recalled line back into said memory means in place of the corresponding unedited line previously stored therein.