Texas Instruments

• LCD-1991-1999

Model: BA real estate
Battery: 2 x LR44
Adapter: 
Year: 1993
Chip:  T6m51 Toshiba
Info: modern LCD  1991 - 1999

• slanted LCD

Model: BA-55
Battery: 2 x LR44
Adapter: 
Year: 1983
Chip:  CD4553 CD4554 
Info:  slanted LCD  generation

• jeppessen line

Model: Cessna Sky Comp
Battery: 2 x LR43
Adapter: 
Year: 1983
Chip:  TPO328
Info: JEPPESSEN  line   

• LCD-1982-1987

Model: BA-35 student business analyst 
Battery: 2 x LR44
Adapter: 
Year: 1981
Chip:  CD4571
Info:  modern LCD  1982 - 1987

• LCD-1982-1987

Model: BA-II
Battery: 2 x LR44
Adapter: 
Year: 1985
Chip:  TPO322
Info:  Business Analyst II

• first solar lcd and slimline lcd

Model: ET calculator
Battery: 2 x LR44
Adapter: 
Year: 1982
Chip: TP0311         
Info: slimline LCD - first solar LCD      

• later HANDHELD printing

Model: BA-45 mcro business manager
Battery: 4 x AAA                
Adapter: 
Year: 1984
Chip: nec UPD7503
Info:  later HANDHELD printing   made in Japan scientific    

• LCD-1991-1999

Model: BA II plus
Battery: CR2032
Adapter: 
Year: 1996
Chip:  T6a53 Toshiba
Info: modern LCD  1991 - 1999

• LCD-1985-1990

Model: FIA-10 Financial Investment Analyst
Battery: 2 x CR2032
Adapter: 
Year: 1989
Chip: TMC70035, LH5821, TC5518, TC54256
Info: 

• slanted LCD

Model: BA-54
Battery: 2 x LR44
Adapter: 
Year: 1997
Chip:  CD4553 CD4554 
Info:  slanted LCD  generation

• slanted LCD

Model: BA-III Executive Business Analyst
Battery: 2 x LR44
Adapter: 
Year: 1990
Chip: TP0458B/CD4812
Info: This rare BA-III is an unusual calculator within the second generation slanted family. We are used to find a direct counter part with scientific functions for each calculator.   

• galaxy line

Model: Galaxy 9
Battery: CR2032
Adapter: 
Year: 1999
Chip: Toshiba T6A60               
Info: GALAXY line