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7.11.1 Mathematical Functions

   

@ABS(X) -
The absolute value of X.  

@ACOS(X) -
The arc cosine of X.  

@ACOSH(X) -
The hyperbolic arc cosine of X.  

@ASIN(X) -
The arc sine of X.  

@ASINH(X) -
The hyperbolic arc sine of X.  

@ATAN(X) -
The 2-quadrant arc tangent of X.  

@ATAN2(X, Y) -
The 4-quadrant arc tangent of Y/X.  

@ATANH(X) -
The hyperbolic arc tangent of X.  

@CEIL(X) -
The smallest integer greater than or equal to   X.

@COS(X) -
The cosine of X.  

@COSH(X) -
The hyperbolic cosine of X.  

@DEGREES(X) -
Converts the angle expressed in radians to   degrees ( tex2html_wrap_inline15114 ).

@DET(M) -
The determinant of the matrix range M,   which must be a square matrix.

@DOT(R1, R2) -
The dot product of the vectors R1   and R2.

@EXP(X) -
e raised to the X power.  

@FACT(N) -
The value of N!.  

@FLOOR(X) -
The largest integer less than or equal to   X.

@FRAC(X) -
The fractional portion of X.  

@GAMMA(X) -
The value of the gamma function evaluated at   X.

@GRAND -
A 12th-degree binomial approximation to a Gaussian random number with zero mean and unit variance.

@INT(X) -
The integer portion of X.  

@LN(X) -
The natural log (base e) of X.  

@LNGAMMA(X) -
The log base e of the gamma function   evaluated at X.

@LOG(X) -
The log base 10 of X (included for   compatibility with WKS/WK1).

@LOG10(X) -
The log base 10 of X.  

@LOG2(X) -
The log base 2 of X.  

@MOD(X, Y) -
The remainder of X/Y.  

@MODULUS(X, Y) -
The modulus of X/Y.  

@PI -
The value of p.

@POLY(X, ...) -
The value of an Nth-degree   polynomial in X.

@PRODUCT(X, ...) -
The product of all the numeric values   in the argument list.

@RADIANS(X) -
Converts the angle expressed in degrees to   radians ( tex2html_wrap_inline15116 ).

@RAND -
A uniform random number on the interval [0,1).

@ROUND(X, n) -
X rounded to n number of decimal   places (0 to 15).

@SIGMOID(X) -
The value of the sigmoid function tex2html_wrap_inline15118 .

@SIN(X) -
The sine of X.  

@SINH(X) -
The hyperbolic sine of X.  

@SQRT(X) -
The positive square root of X.  

@SUMPRODUCT(R1, R2) -
The dot product of the vectors R1   and R2, where R1 and R2 are of equal dimension (included for compatibility with WKS/WK1).

@TAN(X) -
The tangent of X.  

@TANH(X) -
The hyperbolic tangent of X.  

@TRANSPOSE(M) -
The transpose of matrix M.  

@VECLEN(...) -
The square root of the sum of squares of   its arguments.


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Next: 7.11.2 Statistical Functions Up: 7.11 Quick-Reference Guide to Previous: 7.11 Quick-Reference Guide to

NExS User's Guide, Version 1.4.5
Grey Trout Software
11 April 1999