Why can't I multiply negative numbers on my El-520x???
So when I want to multiply two negative numbers on my SHARP EL-520x (e.g: -4 x -3) and it show me error 1 same thing when I try to divide two negative numbers (e.g: -4/-3). What should I do???
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Product Troubleshooting for EL-520XBWH Scientific Calculator - 390 Functions el520xbwh
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Make sure you use the +/- key (located just to the right of the decimal point key) to enter a negative number, not the - key (to the right of the + key, used to subtract one value from another).For example, press +/- 4 / +/- 3 = to divide -4 by -3 .
Make sure that you are using the negative button (-) and not the minus button next to the + sign. This would give you an error
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