From: mirek@uv.ikem.pwr.wroc.pl   
      
   Martin  wrote:   
   > If I run the following code:   
   >   
   > for i: 1 step 1 thru 25 do block   
   > (b : float((1+sqrt(1+2*(i^2-i)))/2),   
   > if b > floor(b)  then print(i,b) );   
   >   
   > then Maxima will correctly print values of i and b up to i = 25 excluding i   
   > = 1,4 and 21 where b evaluates to an integer. However if I run:   
   >   
   > for i: 1 step 1 thru 25 do block   
   > (b : float((1+sqrt(1+2*(i^2-i)))/2),   
   > if b = floor(b)  then print(i,b) );   
   >   
   > then nothing is printed where I should now get the values that were omitted   
   > above.   
      
   Because in maxima 0=0.0 is false, you should replace  b = floor(b) with   
   b-floor(b) = 0.0   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)