| K-83 | 1973 | Bowmar 905 | 8 | arithmetic | - | LED | Texas TMS0103NC | |
| K-86 | 1973 | Bowmar 901B | 8 | arithmetic | - | LED | Texas TMS0103NC | |
| K-106 | 1973 | Bowmar 901D | 10 | arithmetic | - | LED | Texas TMS0107NC | |
| A-100 | 1973 | Bowmar TX-1000 | desktop | 10 | arithmetic | - | Panaplex | Texas TMS0107NC (?) |
| K-106 P | 1974 | Bowmar MX-80 | 10 | arithmetic | - | LED | Texas TMS0127NC | |
| PTK-1030 | 1977 | Texas Instruments SR-51-II | pocket prog. scient. | 8/5+2 | AOS | 8 | LED | Texas TMC1503 |
| PTK-1096 | 1979 | Texas Instruments TI-59 | pocket prog. scient. | 10+2 | AOS | 100 | LED | Texas TMC0501E |
| PTK-1050 | 1980 | Texas Instruments TI-57 | pocket prog. scient. | 8/5+2 | AOS | 8 | LED | Texas TMC1501NL |
| TI-57 LCD | 1984 | Texas Instruments TI-57 LCD | pocket prog. scient. | 8/5+2 | AOS | 8 | LCD | Texas TP0456NL + CD4555BNL |
| TI-57-II | 1985 | Texas Instruments TI-57-II | pocket prog. scient. | 8/5+2 | AOS | 8 | LCD | Texas CD4572BN2 + CD4555BN2 |
