Casio Color Graphing Calculator, Black & White,7.21"Wx10.32"Lx2.05"H (FX- CG-50-L-IH) : Amazon.sg: Office Products
CASIO FX-CG50 - ORDER ONLINE NOW !
Update: It really does go without saying, the FX-CG50 is a beast of a calculator. But my trusty FX-991EX is still good for a lot of things. They are both good calculators. :