December 2001
Beginner
464 pages
13h 51m
English
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Appendix E. Math Functions
Math functions are provided by the members of the Math class (defined in the System namespace). All members of the Math class are shared, so it is not necessary to instantiate the class before accessing its members. Members are simply accessed through the class name. For example, the following line computes the cosine of 45:
Dim result As Double = Math.Cos(45)
The Math class exposes two constants:
-
E The base of natural logarithms.
-
PI The ratio of the circumference of a circle to its diameter.
The methods of the Math class are as follows. Note that the trigonometric functions consider all angle values to be in radians.
- Abs
Computes the absolute value of a number.
- Acos
Computes the angle whose cosine is the given number.
- Asin
Computes the angle whose sine is the given number.
- Atan
Computes the angle whose tangent is the given number.
- Atan2
Computes the angle whose tangent is equal to the quotient of the two given numbers.
- Ceiling
Computes the smallest whole number greater than or equal to the given number.
- Cos
Computes the cosine of a number.
- Cosh
Computers the hyperbolic cosine of a number.
- Exp
Computes
eraised to a given power.- Floor
Computes the largest whole number less than or equal to a given number.
- IEEERemainder
Calculates the remainder in the division of two numbers.
- Log
Calculates the logarithm of a number (either the natural logarithm or in a given base).
- Log10
Calculates the base 10 logarithm of a number.
- Max
Returns the larger of two numbers.
- Min
Returns the smaller ...
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