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The EL-510RNB performs over 160 advanced scientific functions and utilizes an extra-large 11-dgiit LCD numeric display. The unique playback feature makes scientific equations easier for students to edit and run multiple simulations. It is ideal for students studying general math, algebra, geometry and trigonometry. In addition, Direct Algebraic Log (D.A.L) makes entering equations as simple as typing them in exactly as you would write them.