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→Square
=== Square ===
=== Square ===
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.)
''e''<super>2</super> = 7.4
<gallery>
File:SLiderule-e-squared.png|Position the reticule over ''e'' on the D slide and read the results off of the A slide.
</gallery>
=== Square root ===
=== Square root ===