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Line 62:
Line 62: − + − +
→Addition
To add you use the linear slides, L and L. First position the end of the top L slide over one of the addends on the lower L slide. Then position the reticule over the other addend on the upper L slide. Read the result off of the lower L slide.
To add you use the linear slides, L and L. First position the end of the top L slide over one of the addends on the lower L slide. Then position the reticule over the other addend on the upper L slide. Read the result off of the lower L slide.
'''Example:''' 1.1 + 2.2 = 3.3
'''Example:''' 1.1 + 2.1 = 3.2
<gallery>
<gallery>
File:Sliderule-LL1.png|Position the end of the upper L slide over 1.1 on the lower L slide.
File:Sliderule-LL1.png|Position the end of the upper L slide over 1.1 on the lower L slide.
File:Sliderule-LL2.png|Position the reticule over 2.3 on the upper L slide and read the results (3.3) from the lower L slide.
File:Sliderule-LL2.png|Position the reticule over 2.1 on the upper L slide and read the result (3.2) from the lower L slide.
</gallery>
</gallery>
=== Subtraction ===
=== Subtraction ===