Casio FX-85GTPLUS-SB-UT Scientific Calculator (Old Model) replaced by the new FX-85GTX
Sharp EL-W531B Calculator Pocket Scientific Grey
Casio FX-85GTPLUSPK Scientific Calculator, Pink
Casio FX-991ESPLUS Scientific Calculator
Texas Instruments TI 30 ECO RS Calculator
Helix RC2072 Oxford Scientific Calculator