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=== Square ===
 
=== Square ===
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You use the A and D slides to square number. (A is a log-log scale.) Simply position the reticule of number you want to square on the D slide and read the result off of the A slide. (Remember to properly estimate the proper decimal point for your result.)
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''e''<super>2</super> = 7.4
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<gallery>
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File:SLiderule-e-squared.png|Position the reticule over ''e'' on the D slide and read the results off of the A slide.
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</gallery>
    
=== Square root ===
 
=== Square root ===