Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Disk
Hexadecimal
Science SpectrumU.S.A.
Plastic
1969Dia. = 21.5 cmComputer Programming

Notes: 1) Used for mathematical calculations involving hexadecimal numbers 2) Both base 16 and base 10 are supported 3) Allows actual hexadecimal calculations 4) It uses cursors similar to Gilson slide rules


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