Released in 1985, to replace the Texas Instruments CC-40, The TI-74 BASICALC is a programmable calculator featuring the BASIC programming language. Features: TMS70C46 CPU31 Character 5×7 LCD32+4 KB ROM8 KB RAMRAM/ROM Expansion PortHEXBUS Port80 Characters per line (31 visible)Powered by 4x AAA Batteries