TI 0059 lvm insurance deModel: TI-59 LVM insurance
Battery: BP1 A
Adapter: AC9131 or DC9105
Year: 1978
Chip:  TMC0501E TMC0591 CD2400 CD2401 TMC0573 TC5047         
Info: The innovative TI-59 was the perfect base for a lot of customized calculators. This one was used end of the 70th by insurance agents of the German LVM company.