Artifact Details

Title

Digitor Learning Arithmetic Module

Catalog Number

X558.85

Type

Physical object

Date

1974

Manufacturer

Centurion Industries, Inc.

Place Manufactured

U.S.

Identifying Numbers

Model number Digitor
Other number 3,947,976 patent number
Other number 7001 catalog number
Serial number A37528

Dimensions

9 1/2 x 8 x 8 in.

Description

The Digitor is one of the first uses of a microprocessor in an educational device. It was developed to teach students the four basic arithmetic operations of addition, subtraction, multiplication, and division. The difficulty and length of the problems were set by adjusting the two side knobs. Students answered problems shown on the display panel by entering a number on the keypad. Correct answers were rewarded by a happy face and incorrect ones by a sad face. At the end of the exercise, Digitor displayed the number of problems answered correctly. Over 100,000 Digitors were sold worldwide.

Category

Fixed-application digital computer: other

Credit

Gift of Centurion Industries, Inc.

Lot Number

X558.85