K-83 1973 Bowmar 905 pocket 8 arithmetic - LED Texas TMS0103NC
K-86 1973 Bowmar 901B pocket 8 arithmetic - LED Texas TMS0103NC
K-106 1973 Bowmar 901D pocket 10 arithmetic - LED Texas TMS0107NC
                 
A-100 1973 Bowmar TX-1000 desktop 10 arithmetic - Panaplex Texas TMS0107NC (?)
K-106 P 1974 Bowmar MX-80 pocket 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