Noah A wrote:
> 
> i meant an easy way
> 
> Noah A wrote:
> 
> > we need a support group for ppl addicted to math images.
> > how can i make it so that in a while it will go for a certain number and
> > skip like
> > go while 0-15 then to  45-30

#declare tt=0;  // counter
#declare dd=1;  // increment-step
#while (tt!=30)
  ---- do something! anything! ----
  #declare tt=tt+dd;
  #if (tt=15)
    #declare tt=45;
    #declare dd=-1;
  #end
#end

Remco

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