A small computer that contains and ALU that has the ability to do 8 bit addition and subtraction and 4 bit multiplication with an 8 bit answer. When adding or subtracting the 128 bit is -128 but is positive for multiplication. It is also able to store and recall previous problems. Has 2 sets of displays, one of which displays ALU Flags and the answer to the problem. The other one displays the 2 numbers used, operation, and store and recall buttons.