Functions
Function	Chi (X As Double, Optional Info As Long) As Double
	Hyperbolic cosine integral Chi(x)

Function	Ci (X As Double, Optional Info As Long) As Double
	Cosine integral Ci(x)

Function	Shi (X As Double, Optional Info As Long) As Double
	Hyperbolic sine integral Shi(x)

Function	Si (X As Double, Optional Info As Long) As Double
	Sine integral Si(x)

Detailed Description

This is the group of C6. Cosine and sine integrals.

Functions