If you have the opportunity to support those who work for free, in this non-profit museum, and with the aim of opening a museum in the city of Rieti dedicated to Texas Instruments. DONATE !

TI 0012 math explorerModel: TI-12 math explorer
Battery: solar
Adapter: 
Year: 1998
Chip:  T6m39s Toshiba
Info:  China. The Math Explorer ( TI-12) is another calculator introduced by Texas Instruments to perform fractional arithmetic for elementary school.