Program also has build-in useful Calendar and CharactersMap . Calculator can save history of expression, remembers own position on screen and other parameters. You can copy result of expression to Clipboard. Mini, Medium and Maxi. Pi - Pi is approximated as 3.1415926535897932385.
Sin returns the sine of the angle in radians.
The Cos function returns the cosine of the angle X, in radians. ArcTan calculates the arctangent of the given number. The RadToDeg function converts angles of radian measure into degrees. The DegToRad function converts degree angles to radians. The Abs function returns the absolute value of the argument.