| Year of introduction | 1983 |
| Function | Education |
| Model Number | |
| Power | 2 LR44 batteries |
| Original Price | |
| Photo credit | Mark Bollman→ |
GradeMatic 100
| Year of introduction | 1983 |
| Function | Education |
| Model Number | |
| Power | 2 LR44 batteries |
| Original Price | |
| Photo credit | Mark Bollman→ |
The GradeMatic 100 was CI's first foray into calculators that could compute student grades. It uses standard or custom-defined grade scales, and includes a timer. It was superseded by GradeMatics 200, 3000, and 4000. (Why the tenfold inflation of model numbers? Good question.)
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