irnum.a60 :

printed as real:
 1  -1 
 100  -100 
 100000  -100000 
 1.234  -1.234 
 12340000000  -12340000000 
 1.234e-10  -1.234e-10 
printed as integer:
 1  -1 
 100  -100 
 100000  -100000 
 1  -1 
 2147483647  -2147483648 
 0  0 
done.