Function

Comments

ABS(x)

Absolute value

ARCCOS(x)

returns radians

ARCSIN(x)

"

ARCTAN(x)

"

ATAN2(y,x)

Arctan(y/x)

BESSJ(order,x)

Bessel Function J

BESSY(order,x)

Bessel Function Y

COS(x)

x is angle in radians *

COSH(x)

Hyperbolic cosine

ERF(x)

Error Function

ERFC(x)

Complementary Error Function

EXP(x)

Exponential function

EXPINT(x)

Exponential Integral Ei(x) for real x>0 **

EXPINT(n,x)

Exponential Integral En(x) for n>=0, real x>0 **

GAMMAF(x)

Gamma function for real x>0

GAMMAF(a,x)

Incomplete gamma function for real a>0, x>0

LOG10(x)

Base-10 logarithm

LN(x)

Natural logarithm

SIN(x)

x is angle in radians *

SINH(x)

Hyperbolic sine

SQRT(x)

TAN(x)

x is angle in radians *

TANH(x)

Hyperbolic tangent