Amazon.com : Scientific Calculator 2 Line - for Math (Algebra and Trigonometry), Science, Statistics, Engineering, Physics, Business Class, Over 200 Functions, with Memory and Replay Function : Office Products
Texas Instruments TI-30Xa Scientific Calculator
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