![Sharp EL-531RBBL Battery D.A.L. Scientific Calculator Image - Click to enlarge](https://s.turbifycdn.com/aah/calculatorsource/sharp-el-531rbbl-battery-d-a-l-scientific-calculator-14.gif) This product has been replaced by Sharp EL-531VBBL Scientific Calculator
Advanced D.A.L. Series Scientific Calculator. Ideal for High School Students.
Features:
- Direct Algebraic Logic allows students to enter the elements of an expression in the exact order they appear in the textbook.
- Extra Large Display: 10 digit, 2 line display - 1 line equation and 1 line numeric.
- Multi-Line "Playback": after getting an answer the user may then "playback" the expressions and substitute new numeric values.
- Additional Features: Last answer recall, 183 functions, 2 LR44 batteries and blue translucent case.
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