Interactive Abacus Model
2020-10-31 17:42
This applet demonstrates an interactive abacus model. Users can drag beads to simulate counting, intuitively understanding its structure. Built with GeoGebra's geometric tools, it uses polygons, segments, and points, utilizing Sequence and Mirror commands to arrange and move beads. It is an excellent demo for learning traditional calculation tools and geometric constructions.
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SetVisibleInView(B3,1,true)
SetVisibleInView(B4,1,true)
SetVisibleInView(B5,1,false)
SetVisibleInView(B6,1,true)"/>
<lineStyle thickness="3" type="0" typeHidden="1" opacity="178"/>
<eigenvectors x0="1.0" y0="0.0" z0="1.0" x1="-0.0" y1="1.0" z1="1.0"/>
<matrix A0="1.0" A1="2.9726516052318672" A2="25.025790725326992" A3="0.0" A4="5.0" A5="-0.7431629013079668"/>
<eqnStyle style="specific"/>
</element>
<expression label="l5" exp="{"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M"}"/>
<element type="list" label="l5">
<show object="false" label="false"/>
<objColor r="0" g="100" b="0" alpha="0.0"/>
<layer val="2"/>
<labelMode val="0"/>
<animation step="1" speed="1" type="0" playing="false"/>
<lineStyle thickness="5" type="0" typeHidden="1"/>
<pointSize val="5"/>
<angleStyle val="0"/>
<symbolic val="true" />
</element>
<command name="Flatten">
<input a0="Sequence[Sequence["SetVisibleInView(" + (l5(j)) + (i) + ",1,true)", i, 1, 8], j, 1, 13]"/>
<output a0="l6"/>
</command>
<element type="list" label="l6">
<show object="false" label="false"/>
<objColor r="0" g="100" b="0" alpha="0.0"/>
<layer val="2"/>
<labelMode val="0"/>
<lineStyle thickness="5" type="0" typeHidden="1"/>
<pointSize val="5"/>
<angleStyle val="0"/>
</element>
<command name="Flatten">
<input a0="Sequence[Sequence["SetVisibleInView(" + (l5(j)) + (i) + ",1,false)", i, 6, 7], j, 1, 13]"/>
<output a0="l7"/>
</command>
<element type="list" label="l7">
<show object="false" label="false"/>
<objColor r="0" g="100" b="0" alpha="0.0"/>
<layer val="2"/>
<labelMode val="0"/>
<lineStyle thickness="5" type="0" typeHidden="1"/>
<pointSize val="5"/>
<angleStyle val="0"/>
</element>
<element type="button" label="button1">
<show object="true" label="true"/>
<objColor r="255" g="255" b="255" alpha="1.0"/>
<bgColor r="153" g="51" b="0" alpha="255"/>
<layer val="2"/>
<labelOffset x="153" y="126"/>
<labelMode val="0"/>
<animation step="0.1" speed="1" type="0" playing="false"/>
<auxiliary val="true"/>
<ggbscript val="Execute(l6)
Execute(l7)"/>
<font serif="true" sizeM="1.4" size="6" style="1"/>
<startPoint x="-6.951202356714788" y="2.493729985336005" z="1.0"/>
<caption val="清盘"/>
</element>
</construction>
</geogebra>