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Graphing
Casio FX-CG50
Scientific / Engineering
Casio fx-82LA Plus
Sharp EL-520X
SR-50A
Commodore SR4912
TI-32
TI-34
Four Function +
TI-1025
Mechanical / Analogue
Faber-Castelle 67/87Rb Rietz
Kempten Bayern Planimeter
Other
Burroughs C3155
Canon DM-4800
Radio Shack ES-376