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[[File:Sliderule.jpg]]
== Where to get Sliderule ==
[http://activities.sugarlabs.org/en-US/sugar/addon/4222 Activity] | [http://git.sugarlabs.org/projects/slideruler/repos/mainline Source]
== About Sliderule ==
[[File:Sliderule-activity-icon.png]]
"The [http://en.wikipedia.org/wiki/SLiderule slide rule] also known colloquially as a slipstick, is a mechanical analog computer." This Activity implements a basic slide rule with C, D, A, and L scales and can be used for multiplication, division, roots, addition and subtraction.
<gallery>
File:SlideruleC.png|The C and D scales are used for multiplication and division.
File:SlideruleA.png|The A and D scales are used for squares and square roots.
File:SlideruleL.png|The L scales are used for addition and subtraction.
</gallery>
A nice discussion of the slide rule is found here [http://www.ryereflections.org/servlet/pluto?state=3030347061676530303757656250616765303032696430303438373235]
=== The toolbars ===
[[Image:SLiderule-main-toolbar.png|right]]
From left to right:
* project-toolbar button
* C scale (multiplication and division)
* A scale (square and square root)
* L scale (addition and subtraction)
* display of calculation and results
* stop button (not shown)
== How to use a slide rule ==
== How to use a slide rule ==