[vitalik8311]

какие математические функции в делфи Delphi существуют

[NumLock]

в файле справки открой раздел "Math routines"

[vitalik8311]

это в Delphi 7?

[vitalik8311]

Код:

ArcCos function

Calculates the inverse cosine of a given number.

ArcCosh function

Calculates the inverse hyperbolic cosine of a given number.

ArcCot function

Calculates the inverse cotangent of a given number.

ArcCotH function

Calculates the inverse hyperbolic cotangent of a given number.

ArcCsc function

Calculates the inverse cosecant of a given number.

ArcCscH function

Calculates the inverse hyperbolic cosecant of a given number.

ArcSec function

Calculates the inverse secant of a given number.

ArcSecH function

Calculates the inverse hyperbolic secant of a given number.

ArcSin function

Calculates the inverse sine of a given number.

ArcSinh function

Calculates the inverse hyperbolic sine of a given number.

ArcTan2 function

Calculates the arctangent angle and quadrant of a given number.

ArcTanh function

Calculates the inverse hyperbolic tangent of a given number.

Ceil function

Rounds variables up toward positive infinity.

CompareValue function

Returns the relationship between two numeric values.

Cosecant function

Returns the cosecant of an angle.

Cosh function

Calculates the hyperbolic cosine of an angle.

Cot function

Calculates the cotangent of an angle.

Cotan function

Calculates the cotangent of an angle.

CotH function

Calculates the hyperbolic cotangent of an angle.

Csc function

Returns the cosecant of an angle.

CscH function

Returns the hyperbolic cosecant of an angle.

CycleToDeg function

Converts an angle measurement from cycles to degrees.

CycleToGrad function

Converts an angle measurement from cycles to grads.

CycleToRad function

Converts an angle measurement from cycles to radians.

DegToCycle function

Returns the value of a degree measurement expressed in cycles.

DegToGrad function

Returns the value of a degree measurement expressed in grads.

DegToRad function

Returns the value of a degree measurement expressed in radians.

DivMod procedure

Returns the result of an integer division, including the remainder.

DoubleDecliningBalance function

Calculates the depreciation of an asset using the double-declining balance method.

EnsureRange function

Returns the closest value to a specified value within a specified range.

Floor function

Rounds variables toward negative infinity.

Frexp procedure

Separates the Mantissa and Exponent of X

FutureValue function

Calculates the future value of an investment.

GetExceptionMask function

Returns the exception mask from the FPU control word.

GetPrecisionMode function

Returns the FPU precision control mode.

GetRoundMode function

Returns the FPU rounding mode.

GradToCycle function

Converts grad measurements to cycles.

GradToDeg function

Converts grad measurements to degrees.

GradToRad function

Converts grad measurements to radians.

Hypot function

Calculates the length of the hypotenuse.

Infinity constant

Represents positive infinity.

InRange function

Indicates whether a value falls within a specified range.

InterestPayment function

Calculates the interest portion of a loan payment.

InterestRate function

Returns the interest rate required to increase PresentValue to FutureValue.

InternalRateOfReturn function

Calculates the internal rate of return for an investment.

IntPower function

Calculates the integral power of a base value.

IsInfinite function

Indicates when a variable or expression represents an infinite value.

IsNan function

Indicates when a variable or expression does not evaluate to a numeric value.

IsZero function

Indicates when a floating-point variable or expression evaluates to zero, or very close to zero.

Ldexp function

Calculates X times (2 to the power of P).

LnXP1 function

Returns the natural log of (X+1)

Log10 function

Calculates log base 10.

Log2 function

Calculates log base 2.

LogN function

Calculates the log of X for a specified base.

Max function

Returns the greater of two numeric values (Delphi only).

MaxComp constant

The maximum value of the Comp data type.

MaxDouble constant

The maximum value of the double precision floating point type.

MaxExtended constant

The maximum value of the Extended data type.

MaxIntValue function

Returns the largest signed value in an integer array.

MaxSingle constant

The maximum value of the single precision floating point type.

MaxValue function

Returns the largest signed value in an array.

Mean function

Returns the average of all values in an array.

MeanAndStdDev procedure

Calculates the mean and standard deviation of array elements.

Min function

Returns the lesser of two numeric values (Delphi only).

MinComp constant

The minimum value of the Comp data type.

MinDouble constant

The minimum value of the double precision floating point type.

MinExtended constant

The minimum value of the Extended data type.

MinIntValue function

Returns the smallest signed value in an integer array.

MinSingle constant

The minimum value of the single precision floating point type.

MinValue function

Returns smallest signed value in an array.

MomentSkewKurtosis procedure

Calculates the mean, variance, skew, and kurtosis.

NaN constant

Represents a value that is not a number in Delphi.

NegInfinity constant

Represents negative infinity in Delphi.

NetPresentValue function

Calculates the current value from an array of estimated cash flow values.

Norm function

Returns the Euclidean 'L-2' norm.

NumberOfPeriods function

Returns the number of payment periods for an investment.

Payment function

Calculates a fully amortized payment.

PeriodPayment function

Returns the principal amount from a full payment.

Poly function

Evaluates a uniform polynomial of one variable at the value X.

PopnStdDev function

Calculates the population standard deviation.

PopnVariance function

Calculates the population variance.

Power function

Raises Base to any power.

PresentValue function

Calculates the present value of an investment.

RadToCycle function

Converts radians to cycles.

RadToDeg function

Converts radians to degrees.

RadToGrad function

Converts radians to grads.

RandG function

Generates random numbers with Gaussian distribution.

RandomRange function

Returns a random integer from a specified range.

RoundTo function

Rounds a floating-point value to a specified digit or power of ten using ”Banker’s rounding”.

SameValue function

Indicates whether two floating-point values are (approximately) equal.

Sec function

Calculates the secant of an angle.

Secant function

Calculates the secant of an angle.

SecH function

Calculates the hyperbolic secant of an angle.

SetExceptionMask function

Sets the exception mask on the FPU control word.

SetPrecisionMode function

Sets the FPU precision control mode.

SetRoundMode function

Sets the FPU rounding mode.

Sign function

Indicates whether a numeric value is positive, negative, or zero.

SimpleRoundTo function

Rounds a floating-point value to a specified digit or power of ten using asymmetric arithmetic rounding.

SinCos procedure

Returns sine and cosine of an angle.

Sinh function

Returns the hyperbolic sine of an angle.

SLNDepreciation function

Returns the straight-line depreciation allowance of an asset.

StdDev function

Returns the sample standard deviation for elements in an array.

Sum function

Returns the sum of the elements in an array.

SumInt function

Returns the sum of the elements in an integer array.

SumOfSquares function

Returns the sum of the squared values from a data array.

SumsAndSquares procedure

Returns the sum of the values and the sum of the squared values in an array.

SYDDepreciation function

Calculates depreciation for an asset.

Tan function

Returns the tangent of X.

Tanh function

Returns the hyperbolic tangent of X.

TotalVariance function

Returns the statistical variance from an array of values.

Variance function

Calculates statistical sample variance from an array of data.

[vitalik8311]

что каждая из них обозначает

[ChinYan]

Гугл переводчик в помощь

[NumLock]

Сообщение от vitalik8311

это в Delphi 7?

нет, это в той Delphi справку от которой откроешь.

Сообщение от vitalik8311

что каждая из них обозначает

после каждой написано:

ArcCos function
Calculates the inverse cosine of a given number.
ArcCosh function
Calculates the inverse hyperbolic cosine of a given number.

и т.д.

[vitalik8311]

ясно все спасибо