Genie Office Stationery Office stationery and calculators. Style 0 selected Close Calculators(3) Money Tester Pens(1) Product Type 0 selected Close Office Supplies and Essentials(2) Stationery(2) Brand 0 selected Close Genie(4) Standard Colour 0 selected Close Silver(1) Sort by Most popular Name A-Z Brand A-Z Price Low to High Price High to Low Showing 4 of 4 products Genie Quicktester Banknote Pen now £0.50 £4.50 Genie 52 SC Scientific Calculator £12.50 Genie 540 Desktop Calculator £12.50 Genie Pocket Sized Calculator in Silver £6.50