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The Texas Instruments TI-74 Basicalc is a type of programmable calculator, which was released in 1985 to replace the Texas Instruments Compact Computer 40. One variant, the TI-74S, has a blank faceplate instead of secondary functions to allow for customization (otherwise it is the same as the 74). Both models accepted customized ROM-modules. The TI-95, released at the same time, was a keystroke programmable descendant of the TI-59 and TI-66, with the same general form factor, but a two-line display (the second line was for function key definitions). ==Technical specifications== *TMS70C46 CPU (C70009, another chip from TMS 7000 family also reported)〔(【引用サイトリンク】url=http://www.datamath.org/Graphing/JPEG_TI-74.htm )〕 *31 5×7 character LCD *32+4 KB ROM *8 KB RAM *RAM/ROM memory expansion port *Hexbus port *80 characters per line (31 visible) *port for power supply *powered by 4 AAA-size batteries 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「TI-74」の詳細全文を読む スポンサード リンク
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