∧, a mathematical symbol, means that it is proportional to a certain quantity.
The proportional relationship between one physical quantity Y and another physical quantity X can be expressed as y∝x (read as "Y is proportional to X"). For example, in the speed formula v=s/t of uniform linear motion, S is directly proportional to T, which is denoted as S ∝ T. ..
Related information:
Using sogou Input Method: Enter the positive pen, and then enter "∧" after searching.
Use the QQ Pinyin input method: open the toolbox → symbols → special symbols → fourth from the bottom of the fourth line in math/unit, or enter v 1 and select the second one on page 7.
Word 2003: Insert → Special Symbol → Mathematical Symbol. The eighth column in the second row is.
All versions of Word: Hold down the Alt key, type 8733 on the keyboard, and then release the Alt key.
Other positions: hold down the Alt key, enter 4 1432 with the keypad, and then release the Alt key.