Casio FX-85GTPLUSBLUE Scientific Calculator (Old Model) replaced by the new FX-85GTX Blue : Amazon.co.uk: Stationery & Office Supplies
Amazon.com : Casio fx-300ES PLUS Scientific Calculator; SAT Compatible; Natural Textbook Display; Math, Trigonometry, Statistics, Algebra, Geometry and Physics Functions; Comes with Slide-on Hard Case; Black : Office Products
Casio FX-85GTPLUS-SB-UT Scientific Calculator (Old Model) replaced by the new FX-85GTX : Amazon.co.uk: Stationery & Office Supplies