To draw an equal sign; to say that two things are exactly the same or equivalent.

a mathematical symbol used to show that two values are not equal, such as [[不等于号|不等於號|bu4 deng3 yu2 hao4]], [[大于号|大於號|da4 yu2 hao4]], or [[小于号|小於號|xiao3 yu2 hao4]]

a mathematical symbol used to show that two shapes are exactly the same size and shape, represented as "≌"

To equate two things; to consider different things to be equivalent or exactly the same.