If you need to input all kinds of mathematical symbols, formulas and pictures in Word frequently, I suggest you download a "Mathematical Tools" software, which is specially used for inputting mathematical symbols, formulas and inserting function pictures. It is very convenient to use, which can greatly save your time and improve work efficiency. It is particularly worth mentioning that the speed of inputting mathematical formulas with mathematical tools is dozens of times that with formula editor! Moreover, mathematical formulas such as fractions and roots can be generated without installing a formula editor. The function images of mathematical tools are very powerful, which can draw all the function images of middle schools, and have the advantages of zooming in and out without distortion or sawtooth. Give it a try, you will like this tool.