[問題] 請問一下次方(power)
我用的環境是MiKTeX 2.9 + WinEdt
想請教一下我在打表格的時候裡面需要用到次方
ex：
├──┼─────┤
│Size│ 0.8 (mm2)│ (mm"2"是次方的部分)
├──┼─────┤
我寫的程式如下：
...
\hline
Size & 0.8(\cd mm${}^2$) \\
\hline
...
但是在編譯的時候出現這樣的錯誤訊息(我編譯是點"LaTeX"編譯)：
! undefined control sequence.
1.648 Size & 0.8 <\cd
mm${}^2$> \\
?
想請問一下我是缺了那些東西，謝謝!!
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-- by Michael Jackson
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