FNBiereturns the value ofe-2xx/3Bi(x).Xmust be positive or zero.Biis the Airy function of the second kind. This subroutine is useful for determining the value of Bi(x) for large positive values ofx, where the relatedBifunction returns large values or produces BASICErrorsfor values too large to represent.
Errors
FNBiecauses an HTBasic error if its argument is not of type REAL or ifxis negative.