Patent ID: 7357640

Claim:
A method comprising: displaying, on a computer display, a question; displaying, on the computer display, simultaneously with the question, a complete answer to the question, the complete answer including a first word, followed by a second word having m characters, followed by a third word, followed by a fourth word having n characters, where m and n are both greater than 1; simultaneously displaying, on the computer display with the complete answer, a partial answer to the question, the partial answer including the first word and the third word, the partial answer not including the second word or the fourth word, the partial answer including m locations for each of the m characters in the second word, the m locations positioned in the partial answer after the first word in the partial answer and before the third word in the partial answer, the partial answer including n locations for each of the n characters in the fourth word, the n locations positioned in the partial answer after the third word in the partial answer; then displaying in a first font the m characters of the second word at the m locations in the partial answer; then receiving a first character from a user, the first character not being equal to the first character of the fourth word, the first character being equal to another character of the fourth word; then not displaying in the first font any of the n characters of the fourth word in any of the n locations of the partial answer; then receiving a second character from the user, the second character received from the user being equal to the first character of the fourth word; then displaying in the first font the first character of the fourth word at the first of the n locations in the partial answer.