Ci
The cosine integral.
Syntax
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Ci(x)-
xis a real number
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Description
Ci(x) is the cosine integral of x, defined as the integral of −cos(t)/t from t = x to ∞.
Examples
Ci(1)
0.337403922901
The cosine integral.
Ci(x)
x is a real number
Ci(x) is the cosine integral of x, defined as the integral of −cos(t)/t from t = x to ∞.
Ci(1)
0.337403922901