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Sharp Overhead Calculator for EL-509R, EL-531RBBL, and EL531VB

Home > Teachers > Overhead Calculators and Calculator Projectors > Sharp Overhead Calculators > Sharp Overhead Calculator for EL-509R, EL-531RBBL, and EL531VB

Sharp Overhead Calculator for EL-509R, EL-531RBBL, and EL531VB Image


  • D.A.L. Scientific Calculator for High School Students
  • D.A.L.- Direct Algebraic Logic to simplify entry of equations.
  • Extra-large 10 Digit 2-line LCD Display - 1 line equation and 1 line numeric.
  • Playback Key allows user to "playback" the equation and substitute new numeric values or correct mistakes.

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