Sanyo MBC-550 Series User Manual page 166

Example
>10 INPUT A
>20 N=SGN(A)
>30 ON N+2 GOSUB 60,70,80 according to the sing of
>40 GOTO 10
>50 1
>60 PRINT RETURN
>70 PRINT "ZERO":RETURN
>80 PRINT RETURN
This processing executes
different subroutine
the input value.
>RUN
7-0.1
? 12345
+
? 0.0
ZERO
?
3-99