1 directly use the software disc in the intelligent input method, which contains mathematical symbols, numerical serial numbers, Japanese hiragana characters, Russian and Greek letters. You can easily find the soft keyboard on the interface of sogou Input Method.

2 in OFFICE WORD 2003, click: insert-> object on the menu bar, select "Microsoft formula 3.0" in the pop-up dialog box, and then click ok, and a toolbar with advanced mathematical symbols will appear. Click the corresponding symbol to insert it into the Word document.