Activities/Sliderule: Difference between revisions
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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 == | ||