This text says, "NORMSINV uses an iterative search technique". This is specifying an implementation, not a testable performance criterion. Other approaches should be permitted.

Keep the suggestions, but put them in informative Notes or Guidance.

3.17.7.229 te

NORMSINV 2726(2733)

Proposed Disposition of DIS 29500 Comment CO-0198 (Modified: 2007-11-05) Agreed; the following changes will be made to Part4, §3.17.7.229, page 2,726, lines 7 and 13: Description: Computes the inverse of the standard normal distribution. The distribution has a mean of zero and a standard deviation of 1. NORMSINV uses an iterative search technique. … However, if probability < 0 or if probability > 1, #NUM! is returned. An implementation uses an iterative search technique, and t T he search has not converged after an implementation-defined number of iterations, #N/A is returned. Similar Comments: CL-0154 , FR-0476 , GB-0418 , US-0215