citationModel: Citation ( M4986 )
Battery: 9 volt
Adapter: AC9180
Year: 1976
Chip:  TMS0952          
Info: This calculator is identical to the TI-1200 sold under different names from the Western Auto company. The most common names are "Citation" or "M4986". The only difference from the TI-1200 is the wooden template and the missing TI logo.





citation 66 4986 7Model: Citation (66-4986-7)
Battery: 9 volt
Adapter: 
Year: 1978
Chip: TMC0921
Info: If you remove the key-plate known from e.g. the "electronic Wizard" from this Citation you'll get a TI-1050. Everything else is identical, even the back of the calculators tells you the manufacturer Texas Instruments. 





electronic wizardModel: Electronic Wizard ( M4987 )
Battery: 9 volt
Adapter: AC9180
Year: 1975
Chip:  TMS0952          
Info: This calculator is identical to the TI-1250 sold under different names from the Western Auto company. The most common names are "Electronic Wizard" or "M4987", but later also obtained the confusing "Citation" plate. The only difference from the TI-1250 is the wooden template and the missing TI logo.