Question: how to clear printing in a loop


i have a loop the evaulated and prints some variables, is there a way to clear the printing between each iteration?

example : 

for i form 1 to 100 do

for j from 1 to 100 do 

x:= 5*i*j:
if j mod 10 =0 then print(j/100): fi 

## clear the printing here ##
if i mod 10 =0 then print(i/100): fi 


thank you in advance 

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