Mathematics
1.24 Mathematics
| Abs Function | System.Math |
Math.Abs(value) |
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value required; any valid numeric expression
A number whose absolute value is to be returned
Return Value
The absolute value of value. The data type is the same as that of the argument passed to the function
Description
Returns the absolute value of value. If value is an uninitialized variable, the return value is 0.
| Acos Function | System.Math |
Math.Acos(d) |
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d required; Double or any valid numeric expression
A cosine, which is a number greater than or equal to -1 and less than or equal to 1
Return Value
A Double between 0 and pi that is the arccosine of d in radians
Description
Returns the arccosine of d in radians.
| Asin Function | System.Math |
Math.Asin(d) |
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d required; Double or any valid numeric expression
A number representing a sine, which can range from -1 to 1
Return Value
A Double between -pi/2 and pi/2 that is the arcsine of d in radians
Description
Returns the arcsine of d, in radians
| Atan Function | System.Math |
Math.Atan(d) |
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d required; Double or any valid numeric expression
A number representing a tangent
Return Value
A Double that is the arctangent in radians of d, in the range -pi/2 to pi/2
Description
Takes the ratio of two sides of a right triangle (d) and returns the corresponding angle in radians. The ratio is the length of the side opposite the angle divided by the length of the side adjacent to the angle.
| Atan2 Function | System.Math |
Math.Atan2(y, x) |
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x required; Double
The x coordinate of a point
y required; Double
The y coordinate of a point
Return Value
A Double that is the arctangent of the ratio x/y, in radians
Description
Returns the angle in the Cartesian plane formed by the x-axis and a vector starting from the origin (0,0) and terminating at the point (x, y). More specifically, the return value q satisfies the following:
For (x, y) in quadrant 1, 0 < q < pi/2
For (x, y) in quadrant 2, pi /2 < q < pi
For (x, y) in quadrant 3, -pi < q < -pi /2
For (x, y) in quadrant 4, -pi /2 < q < 0
| Ceiling Function | System.Math |
Math.Ceiling(a) |
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a required; Double
Any valid numeric expression
Return Value
A Double containing the smallest integer greater than or equal to the argument a
Description
Returns the smallest integer greater than or equal to the argument a.
| Cos Function | System.Math |
Math.Cos(d) |
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d required; Double or numeric expression
An angle in radians
Return Value
A Double data type denoting the cosine of an angle
Description
Takes an angle specified in radians and returns a ratio representing the length of the side adjacent to the angle divided by the length of the hypotenuse.
| Cosh Function | System.Math |
Math.Cosh(value) |
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value required; Double or numeric expression
An angle in radians
Return Value
A Double denoting the hyperbolic cosine of the angle
Description
Returns the hyperbolic cosine of an angle.
| E Field | System.Math |
Math.E |
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Description
This field returns the approximate value of the irrational number e, which is the base of the natural logarithm and the base of the natural exponential function. In particular:
Math.E = 2.71828182845905
| Exp Function | System.Math |
Math.Exp(d) |
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d required; Numeric
Any valid numeric expression
Return Value
Double
Description
Returns a Double representing the natural number e raised to the power d. Note that the irrational number e is approximately 2.7182818.
| Fix Function |
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See Fix Function entry under Section 1.14.
| Floor Function | System.Math |
Math.Floor(d)d required; Double |
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Return Value
A Double containing the largest integer less than or equal to the argument d
Description
Returns the largest integer less than or equal to the argument d.
| IEEERemainder Function | System.Math |
Math.IEEERemainder(x, y) x and y required; Double |
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Return Value
Returns the remainder after dividing x by y
Description
Returns a Double whose value is the remainder after dividing x by y.
| Int Function |
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See Int Function entry under Section 1.14.
| Log Function | System.Math |
Math.Log(d) Syntax 1. Math.Log(a, newbase) Syntax 2. |
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d or a required; Double
A numeric expression greater than zero
newbase required; Double
The base of the logarithm
Return Value
Double
Description
Returns the natural (base e) logarithm of a given number (the first syntax) or the logarithm of a given number in a specified base (the second syntax).
| Log10 Function | System.Math |
Math.Log10(d) |
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d required; Double
A numeric expression greater than zero
Return Value
Double
Description
Returns the common (base-10) logarithm of a given number.
| Max Function | System.Math |
Math.Max(val1, val2) |
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val1, val2 required; any
A numeric data type or expression
Return Value
Returns the maximum of val1 and val2, in the wider datatype of the two numbers
Description
Returns the maximum of val1 and val2.
| Min Function | System.Math |
Math.Min(val1, val2) |
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val1, val2 required; any numeric
A numeric data type or expression
Return Value
Returns the minimum of val1 and val2 in the wider data type of the two numbers
Description
Returns the minimum of two numbers.
| Mod Operator |
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result = number1 Mod number2 |
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number1, number2 required; any
A numeric expression
Return Value
Returns the modulus
Description
Returns the modulus, that is, the remainder when number1 is divided by number2. This return value is a non-negative integral data type.
| Partition Statement |
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See Partition Function entry under Section 1.23.
| Pi Field | System.Math |
Math.PI |
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Return Value
A Double containing the approximate value of the irrational number pi
Description
This field returns the approximate value of the irrational number pi. In particular:
Math.PI = 3.14159265358979
| Pow Function | System.Math |
result = Math.Pow(x, y)x, y required; Double |
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Return Value
A Double that is x (the base) raised to the power y (the exponent)
Description
This is a generalized exponential function; it returns the result of a number raised to a specified power.
| Randomize Procedure | Microsoft.VisualBasic.VBMath |
Randomize([number]) |
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number optional; Object or any valid numeric expression
A number used to initialize the random-number generator
Description
Initializes the random-number generator.
| Rnd Function | Microsoft.VisualBasic.VBMath |
Rnd[(number)] |
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number optional; Single
Any valid numeric expression that serves as a seed value
Return Value
A Single data type random number
Description
Returns a random number.
| Round Function | System.Math |
Math.Round( value[,digits]) |
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value required; Numeric expression
Any numeric expression
digits optional; Integer
The number of places to include after the decimal point
Return Value
The same data type as value
Description
Rounds a given number to a specified number of decimal places.
| Sign Function | System.Math |
Sign(value) |
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value required; any numeric type, including Decimal
A numeric expression
Return Value
Integer
Description
Determines the sign of a number.
| Sin Function | System.Math |
Sin(a) |
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a required; Numeric
An angle expressed in radians
Return Value
A Double containing the sine of an angle
Description
Returns the ratio of two sides of a right triangle in the range -1 to 1.
| Sinh Function | System.Math |
Math.Sinh(value) |
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value required; Double or numeric expression
An angle in radians
Return Value
A Double denoting the hyperbolic sine of the angle
Description
Returns the hyperbolic sine of an angle.
| Sqrt Function | System.Math |
Sqr(d) |
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d required; Double
Any numeric expression greater than or equal to 0
Return Value
A Double containing the square root of d
Description
Calculates the square root of a given number.
| Tan Function | System.Math |
Tan(a) |
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a required; Double
An angle in radians
Return Value
A Double containing the tangent of an angle
Description
Returns the ratio of two sides of a right angle triangle.
| Tanh Function | System.Math |
Math.Tanh(number) |
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number required; Double or numeric expression
An angle in radians
Return Value
A Double denoting the hyperbolic tangent of the angle
Description
Returns the hyperbolic tangent of an angle.
EAN: 2147483647
Pages: 31