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In geometry, the circumference (from Latin circumferens, meaning "carrying around") is the perimeter of a circle or ellipse. The circumference is the arc length of the circle, as if it were opened up and straightened out to a line segment . [ 1 ]
Caret (from Latin caret 'there is lacking') [3] is the name used familiarly for the character ^ provided on most QWERTY keyboards by typing ⇧ Shift+6.The symbol has a variety of uses in programming and mathematics.
Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.
Just hit the Fn key, located on the bottom row, left-hand-side next to the control (ctrl) key. Don’t miss these other Windows keyboard shortcuts either. Windows symbols
The Alt key has numerous other program-specific functions, like pressing Alt + G to access the Design tab in PowerPoint, or Alt + A to open the Data tab in Excel. You can also make special symbols ...
The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;
There is a similar but larger character, U+005E ^ CIRCUMFLEX ACCENT (^), which was originally intended to emulate the typewriter's dead key function using backspace and overtype. Nowadays, this glyph is more often called a caret instead (though the term has a long-standing meaning as a proofreader's mark, with its own codepoints in Unicode).
Circumference: the length of one circuit along the circle, or the distance around the circle. Diameter: a line segment whose endpoints lie on the circle and that passes through the centre; or the length of such a line segment. This is the largest distance between any two points on the circle.