Size (approx): 80mm (max) x 164mm x 45mm (max) (w,h,d) Weight 212g excluding batteries. Power: 6.0V DC, 4 x AA size batteries or 3 x AA-size rechargeable batteries. Battery compartment has rotary lock turned with a coin. On/off switch on front at the far top right corner. Display: 8 digit red LED display - ninth used for minus, error and memory signs. Features: Basic four function with percentages and four function memory. Switch for floating, two or four decimal points. Date: 1974
Functions: Basic four, memory, percent Number of Digits: 8 Display Type: LED Logic Technology: LSI IC Complement: Texas Instruments TMS 0601 NC (5 total) Manufacturer: Made by Texas Instruments in Italy
Kindly donated by Francis Hookham
Manufacturer: Texas Instruments Date: 1974
Other Systems Related To TI-2550 Memory Calculator (1st Design):
This exhibit has a reference ID of CH31295. Please quote this reference ID in any communication with the Centre for Computing History.
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