In the words of the program author, John Graham, “CHIEF is designed to give people (mostly kids) practice in the four operations (addition, multiplication, subtraction, and division).
It does this while giving people some fun. And then, if the people are wrong, it shows them how they should have done it.
CHIEF was written by John Graham of Upper Brookville, New York.
As published in Basic Computer Games (1978):
Downloaded from Vintage Basic at http://www.vintage-basic.net/games.html