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Feel free to send us your comments or suggestions at: About our site Scientific Calculators Click on the calculator name to see the calculator and find out more information about each calculator. fx-280 Scientific Calculator The fx-280 is a scientific calculator that allows students to use fractions and a host of powerful features that let students explore and understand mathematics like never before. Suggested for Pre-Algebra, Algebra I, Algebra II, Trigonometry, Statistics, and Physics. Updated: 1/3/99 by B. H. Giza