TI 0034 IIModel: TI-34 II
Battery: solar
Year: 2000
Info:  In 1999 the TI-30 line of calculators received a great feature - a 2-line display. The upper entry line displays up to 11 characters and can be scrolled left and right up to 88 characters. The lower result line displays 10 digits of mantissa and 2 digits for the exponent. 
Compared with the traditional TI-34 the upper line permits to recall the last entry and to correct instantly.