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 *數學小工具* 登場!! (Math Widget - ready for you)

只要輸入所需參數,即可立即算出或畫出你要的數學算式或圖形!目前已提供Plot(作圖)、Solve(解方程式(組))、Expand(展開)、Factor(因式(l數)分解)、Limit(求極限)、Normal Distribution(常態分布曲線)、Heron's Formula(海龍公式:SSS求三角形面積),Determinant(求行列式值) (其餘正陸續增加中...)

The only thing you must do is entering the parameters needed and the widget do the math you want as shown.

[網址(Link)]: http://www.wolframalpha.com/widgets/gallery/?query=itmathman
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