AiryBiZero
AiryBiZero[k] represents the kth zero of the Airy function Bi(x).
AiryBiZero[k, x0] represents the kth zero less than x0.
Examples
Get the first zero of AiryBi:
N[AiryBiZero[1]]
(* -1.17371 *)Please visit the official Wolfram Language Reference for more details.