Your patterns aren't correct for the decimal places.Use num{z,zzz,zzz,zz9.88888888} instead. The 8 stands for an optional decimal place which is not 0.1,132,235,234.25024 will be formatted as 1,132,235,234.25024 an 1,132,235,234.25000000 as 1,132,235,234.25. To display a fixed number of decimal plac...