NARRAYCOLUMNS
NARRAYROWS requires one string argument which should be a string constant or string variable this provides the name of one of the Arrays tables. The names are listed on the tabs in the Arrays window. The function returns the number of columns in the Arrays window. If the Arrays table does not exist, the function call will return 0.
Example:
N=narraycolumns('Main') "number of rows in the Arrays window'
See also: NARRAYROWS