Current location - Training Enrollment Network - Mathematics courses - How to input mathematical symbols with keyboard: such as belonging, containing, crossing, merging, complement and separator in a set.
How to input mathematical symbols with keyboard: such as belonging, containing, crossing, merging, complement and separator in a set.
∈∩ ∪ CuR delimiter I don't know which one is |?

Methods: Using sogou and other input methods, enter the selected 5, cross-check 5 (the symbol that may come out of the corner), and select 5. .....

If not, there is a special character in the input menu. Look for it.

The contents can't be typed, and they must be in software such as geometric drawing board. Complement can be entered directly as I started. C, if the separator is |, find a key on the right side of the keyboard with | above and \ below \ and then shift+ ... you know.

As long as the names of many symbols are accurate, they should be directly input into the input method.