![Stokes Publishing OH-509LH Sharp EL-509LH Overhead Calculator Image - Click to enlarge](https://s.turbifycdn.com/aah/calculatorsource/stokes-publishing-oh-509lh-sharp-el-509lh-overhead-calculator-14.gif) This calculator is suitable for high school students,
featuring Direct Algebraic Logic (D.A.L.) to simplify
entry of equations; extra-large 10-digit 2-line LCD
display (1 line equation and 1 line numeric); checking
D.A.L. shows expression and results simultaneously;
single variable statistics; fraction calculations and 152
functions with three memories.
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