For example, if you have a value of 3.14159 and you want to find the value that is closest to 3.14, you would use the tilde symbol and enter 3.14~. This would tell the calculator to use the value of 3.14 as its nearest approximation for pi (3.14159). What does tilde mean in chat?
tilde: The diacritical mark ( ˜ ), used for example over the letter n in Spanish to indicate the palatal nasal sound (ny), as in cañón, “canyon,” and over the vowels a and o in Portuguese to indicate nas