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→Subtraction
=== Subtraction ===
=== Subtraction ===
To subtract, you also use the linear slides, L and L. Position the reticule over the minuend on the lower L slide. Without moving the reticle, position the upper L slide so that the subtrahend is also under the reticle. Read the difference from the lower L slide.
'''Example:''' 3.2 – 2.1 = 1.1
<gallery>
File:Sliderule-LL2.png|Position the reticule over the minuend (3.2) on the lower L slide and the subtrahend (2.1) on the upper L slide.
File:Sliderule-LL1.png|Read the difference (1.1) from the lower L slide.
</gallery>