The ampersand is the representative symbol of the English word "and" (the 27th letter of the original English alphabet), and it can also be used as the representative symbol of "and" in Chinese.

It was first discovered in ancient Rome, when the letters E and T were used. As time goes by, the two letters get closer and closer, become more rounded and fluent, and become a symbol. So it becomes like &; The same symbol.

The origin of mathematical symbols

The numbers 1 and "+"were created by German mathematician Wei Demei in the15th century. Adding a vertical line to the horizontal line indicates an increase.

2. "-"was also created by Wei Demei. Subtracting a vertical bar from the plus sign indicates a decrease.

3. "×" was first used by American mathematician Audrey in18th century. It means another way to increase, so write the plus sign on the diagonal.

4. "⊙" was created by Swiss Hannah in18th century. It means decomposition, separating two points with a horizontal line.

5. The number "=" was invented by16th century British scholar Colder.