An approximation is anything that is similar, but not exactly equal, to something else. A number can be approximated by rounding. A calculation can be approximated by rounding the values within it before performing the operations .

How do you write approximate in math?

The symbol ≈ means approximately equal to.

What does it mean to approximate a value?

To approximate is to calculate the value of something based on informed knowledge. ... As an adjective, approximate can mean "near" or "close together." If your friend calls to say he's at a location approximate to your house, she's in your neighborhood.