FNAi_bireturns the values of the Airy functions of the first and second kinds of the real valuex. The real part of the return valueCis the value of Ai(x) and the imaginary part ofCis the value of Bi(x). Although it is defined for all real values ofx, this function is usually used with negative values ofx, since the Airy functions of the first and second kinds behave somewhat like damped cosine and sine functions in this region.
Errors
FNAi_bicauses an HTBasic error if its first argument is not of type COMPLEX or its second argument is not of type REAL. It also causes an error if the value of the imaginary component of the value returned (Bi) would be larger than MAXREAL, the largest number representable.