use as raw text "\(\sum_i x_i \le (x_1, x_2, \ldots, x_n )\)". Within the delimiters, rudimentary subscripting, superscripting, greek letters, products, sums, and so on are available by prefixing words by backslashes. Generally, latex characters (e.g. \leftarrow) are available if there are html 4.0 equivalents.
Your mileage may vary...
Examples:
~x ⊆ ‹S› | \( \~\overline{x} \subseteq \langle{}S\rangle \) |
∑i=110 i = 10 × 11/2 . | \( \sum_{i=1}^10 i ~ = ~ 10 \times 11/2 \). |
For a more complete list of the characters available, go here.
Generally, latex commands that take arguments are not supported, (such as \frac) nor are environments such as arrays... The only exception currently is the \overline{} macro. [sony投影机] [液位变送器/液位计/液位开关] [压力变送器/压力传感器] [CCC CERTIFICATION] [GIS] [医药电子商务|医药批发|药品批发] [小型机|磁带机]
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