The following table shows the mathematical function subprograms supplied for Fortran. The arguments to the trigonometric functions must be expressed in radians.
Function Defn #args Name Arg Result
-------- ---- ----- ---- --- ------
Arccosine cos-1(a) 1 ARCOS real real
1 DARCOS double double
Hyperbolic Arccos cosh-1(a) 1 ACOSH real real
1 DACOSH double double
Arcsine sin-1(a) 1 ARSIN real real
1 DARSIN double double
Hyperbolic Arcsine sinh-1(a) 1 ASINH real real
1 DASINH double double
Arctangent tan-1(a) 1 ATAN real real
1 DATAN double double
tan-1(a/b) 2 ATAN2 real real
2 DATAN2 double double
Hyperbolic Arctan tanh-1(a) 1 ATANH real real
1 DATANH double double
Cosine cos(a) 1 COS real real
1 DCOS double double
1 CCOS complex complex
Hyperbolic Cosine cosh(a) 1 COSH real real
1 DCOSH double double
Cube Root a**(1/3) 1 CBRT real real
1 DCBRT double double
Exponential e**a 1 EXP real real
1 DEXP double double
1 CEXP complex complex
Exponential 10**a 1 EXP10 real real
1 DEXP10 double double
Exponential 2**a 1 EXP2 real real
1 DEXP2 double double
Exponential Complement e**a - 1. 1 EXPC real real
1 DEXPC double double
Exponential Complement 2**a - 1. 1 EXPC2 real real
1 DXPC2 double double
Exponential Complement 10**a - 1. 1 EXPC10 real real
1 DXPC10 double double
Base 2 Logarithm log2(a) 1 ALOG2 real real
1 DLOG2 double double
Common Logarithm log10(a) 1 ALOG10 real real
1 DLOG10 double double
Natural Logarithm loge(a) 1 ALOG real real
1 DLOG double double
1 CLOG complex complex
Power a**b 2 POW real real
2 DPOW double double
Sine sin(a) 1 SIN real real
1 DSIN double double
1 CSIN complex complex
Hyperbolic Sine sinh(a) 1 SINH real real
1 DSINH double double
Square Root a**(1/2) 1 SQRT real real
1 DSQRT double double
1 CSQRT complex complex
Tangent tan(a) 1 TAN real real
1 DTAN double double
Hyperbolic Tangent tanh(a) 1 TANH real real
1 DTANH double double
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