What does the wavy sign mean in math?

approximately equal
Approximate equality is a concept used primarily in physics and engineering, and also occasionally in mathematics. Two quantities are approximately equal when they are close enough in value so the difference is inconsequential in practical terms. Approximate equality is symbolized by a squiggly equal sign ( ).

Is ≈ the same as?

≡ means identical to. This is similar to, but not exactly the same as, equals. Therefore, if in doubt, stick to =. ≈ means approximately equal to, or almost equal to.

What does ∼ mean in logic?

Given a proposition p, then ∼p (“not p”) is to count as false when p is true and true when p is false; “∼” (when thus interpreted) is known as the negation sign, and ∼p as the negation of p.

What is the wavy hyphen called?

Answer. It’s called a tilde. Around the 12th century, Spanish scribes, in part to save paper, placed the tilde over a letter to indicate that it was doubled.

What issue does the squiggly line represent?

The lines are for the following: Red for flagged spelling errors (or words that MS Word doesn’t know). Green for flagged gramatical errors, such a subj/verb aggreement..

What AA means?

abbreviation for Alcoholics Anonymous: an organization for people who drink too much alcohol and want to cure themselves of this habit: an AA meeting.

How is a tilde used?

In lexicography (a subject within linguistics) the tilde is used in dictionaries to indicate omission of an entry word. Informally, the symbol can be used to mean “approximately.” For example: “~30 minutes before sautéing the onions, chop the potatoes coarsely.”

What is the wavy line over a letter called?

Alternatively referred to as the squiggly or twiddle, the tilde is a character ( ~ ) on keyboards below the Esc (escape key). It is on the same key as the back quote that resembles a squiggly line. The graphic gives a representation of how the tilde character may appear when typed.