Calculators: changing the cells for the Sharp el-520w, el-531w, el-w535
The tutor tells how to change the batteries for the Sharp el-520w, el-531w, and el-w535. Here are the cell requirements: el-520w: two LR44 cells el-531w: two LR44 cells el-w535: one LR44 cell Flipping any of the three models over, you’ll …
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