橢圓規Ellipsograph (Trammel of Archimedes)
橢圓規Ellipsograph，可以調整AB距離，也可以調整P點位置。
可手動移動A,B畫圖，也可用動畫自己畫圖。
另外也可以看到所畫的橢圓之長軸長與短軸長。
宋政蒲
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- Target Group (Age)
- 3 – 19+
- Language
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