Texas Instruments Dataman
  The Texas Instruments Dataman is a specialist calculator with 8 digits precision and algebraic logic. It has 4 functions, 24 keys, and an LED (light-emitting diode) display typical of calculators of this era.
As well as being a four function calculator, it has a number of games intended to teach children number skills.
Note: Case design is supposed to be a robot.
Facts at a glance:
| Feature | Value | 
|---|---|
| Type | Specialist | 
| Functions | 4 | 
| Keys | 24 | 
| Precision | 8 | 
| Logic | Algebraic | 
| Display type | LED | 
| Year introduced | 1977 |