1. formula and formula variables to be consistent when it comes to text in the text
2.formula also reads part of the sentence, pay attention to writing punctuation.
3.det function problems
When the input det, matype automatically identifies and then turn it into a Roman style, have led to a positive slant phenomenon.
This problem can be solved first and then knock out de * t * delete, Quxianjiuguo ultimately achieve the purpose italics.
