Syntax: GRAND()
GRAND returns a 12th-degree binomial approximation to a Gaussian random number. A set of these numbers will approximate a normal (bell-shaped) distribution with a mean of 0 and a variance of 1. The number will change with every recalculation.
Examples:
GRAND() = 1.2255531
GRAND() = 1.5264478
GRAND() = -0.98732934
Excel function: N/A