ti 1015Model: BINATONE MEMORY
Battery:  9 volt

Adapter: 
Year: 
Chip:  TMS0972
Info: This is a nearly perfect copy of the TI-1250. Made in Homg Kong






rjp3000rjp3000 insideModel: RJP 3000
Battery:  9 volt

Adapter: 
Year: 
Chip:  TMS0972
Info: This is a nearly perfect copy of the TI-1250. Made in Homg Kong






ti 1015Model: BOHSEI 3000
Battery:  9 volt

Adapter: 
Year: 
Chip:  TMS0972
Info: This is a nearly perfect copy of the TI-1250. Made in Homg Kong






ti 1015Model: TEXET 880
Battery:  9 volt

Adapter: 
Year: 
Chip:  TMS0972
Info: This is a nearly perfect copy of the TI-1250. Made in Homg Kong