When you enable AutoSave in Word, it doesn't really save your document; it just saves a temporary file that allows your document to be recovered if the program should end unexpectedly. If you want to really save your document periodically, you need to develop your own macro-based system, as described in this tip.
If you need to get rid of a lot of paragraphs in a document, it's easy to do as long as the document relies on styles for those paragraphs. You use the Find and Replace feature of Word to do the cutting, as described in this tip.
If you are using matrices in your equations, you may want to adjust the spacing used between columns.
Read this WordTip: Setting Matrix Column Spacing in the Equation Editor
Microsoft Word Tips - Learn Word Faster!
There are many rules in English grammar (and many exceptions to those rules.) One common rule of grammar is to capitalize the first letter appearing after a colon, provided that what follows the colon could stand on its own as a sentence. Word does not include a way to do this capitalization automatically (too many grammatical exceptions to make a hard-and-fast rule), but you can create your own macro that will take care of the capitalization for you.
The Equation Editor provided with Word can be very powerful in how it displays mathematic equations. Here's how you can adjust the portion of the display that controls how close the brackets are to whatever is within the brackets.
If you want to have a blank page at the end of a document section, you can insert one manually or you can use the technique described in this tip. The technique makes the added pages dynamic and easy to use.
Word collects a wide range of statistics about your documents, but one of the things it doesn't collect is how many times individual characters appear in the document. (This would be considered a "frequency count" of each character.) You can create a macro to count the characters, but the approach you use to the macro will determine how efficiently the requisite counts are collected.
If you inserted a bunch of TOC fields in your document, you can create your table of contents quite easily based on those fields. This comes in very handy for creating specialized TOCs that aren't based on your documents outline.