Use $!$!$!$to write one single $ notation. If you want to input latex code in your blog, like the code of :
$\sum_{i=1}^n x_i$
you need input ${\sum_{i=1}^n x_i}$.
2009年8月3日
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日以乏味虚无为憾，立此志，鸿泥雪爪，聊存片痕
Use $!$!$!$to write one single $ notation. If you want to input latex code in your blog, like the code of :
$\sum_{i=1}^n x_i$
you need input ${\sum_{i=1}^n x_i}$.
发帖者 reico 时间： 18:40
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