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This Legacy journal article was published in Volume 4, February 1994, and has not been
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Table 4
Characters & strings allowed within OGIP datasets to denote mathematical
operations
String Meaning
str1 * str2 Multiplication (see also Section 3.1.1)
str1 /str2 Division (see also Section 3.1.2)
str1**(y) Raised to the power y (see also Section 3.1.3)
log(str1) Common Logarithm (to base 10)
ln(str1) Natural Logarithm
exp(str1) Exponential (expstr1>
sqrt(str1) Square root
sin(str1) Sine
cos(str1) Cosine
tan(str1) Tangent
asin(str1) Arc Sine
acos(str1) ArcCosine
atan(str1) Arc Tangent
sinh(str1) Hyperbolic Sine
cosh(str1) Hyperbolic Cosine
tanh(str1) Hyperbolic Tangent
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Last modified: Monday, 19-Jun-2006 11:40:52 EDT
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