arguments. It has been observed that on Windows a number, before mod is applied, is reduced to php data-type "signed INT", i.e. a signed 32-bits integer [1] , i.e. mod gives wrong results for integers outside the range -2,147,483,648 through 2,147,483,647, see below. Template:Evaldemo Template:Evaldemo Template:Evaldemo Template:Evaldemo (should be 2.6) Template:Evaldemo