13. A typewriter according to claim 11, wherein said correct word consists of a word re-entered through said keyboard.
11. A typewriter having a function of automatically correcting an erroneously entered wrong word, comprising: a keyboard having a multiplicity of character keys, and a correction-start key; an input data memory for storing input data constituting words entered through said keyboard; a printing mechanism operable for printing characters corresponding to said input data entered through said keyboard; an erasing mechanism operable for erasing said characters printed by said printing mechanism; a display device operable for displaying said characters entered through said keyboard; and a control device connected to said keyboard, said input data memory, said printing and erasing mechanisms and said display device, for controlling said input data memory, said printing and erasing mechanisms and said display device, according to said input data entered through said keyboard; said control device including a correct-word memory for storing a correct word to be substituted for an erroneously entered wrong word, and further including automatic word-correction control means operable upon operation of said correction-start key, for comparing said wrong word with said correct word to find wrong characters of said wrong word which are different from corresponding characters of said correct word, and activating said erasing and printing mechanisms to erase only at said wrong characters of said wrong word, and then print correct characters to correct said wrong word, according to data representative of said wrong word and data representative of said correct word.