Integer overflow.

1423 - 951 = 472
951 - 931 = 20
1702 - 493 = 1209


752 * 472 = 354944,  This is > 65535, so it is truncated to 27264
27264 / 1209 = 22

752 * 20 = 15040
15040 / 1209 = 12

Also,

>     IF ((Second_Value - First_Value) < 0) THEN

should be

>     IF (Second_Value > First_Value) THEN


According to my hand calculator and the PC's calculator
>Steps_Between_F_And_S_Value and Steps_Between_S_And_T_Value contain
>wrong results. What could be the reason for that ?
>
>Regards
>
>Thilo Klein

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