Year |
Canon |
Texas Instruments |
Toshiba |
From Europe |
From Japan |
Note |
| 1971 |  |
 |
|
Early portable calculators | ||
| 1972 |  |
 |
 |
 |
Better power management, calculator lose weight | |
| 1973 |  |
 |
 |
 |
LED display mature, first LCD portable calculator | |
| 1974 |  |
 |
 |
 |
Low cost calculator hit the market | |
| 1975 |  |
 |
|
Thin calculator with button cell battery | ||
| 1976 |  |
First light modern LCD calculator |
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