>Looks like 'S' flag is ignored when used in combination with '8' flag.

? 0h+BINTOC(0.0,"8"), 0h+BINTOC(0.0,"8S")

This should not to be.
VFPT think this as a not sense conversion ?
Why ? Leave to me this choice, please.

>>

>>CLEAR
>>? 0h+BINTOC($0,"8"),0h+BINTOC($0,"8S")
>>? "EXPECTED FALSE :",0h+BINTOC($0,"8")==0h+BINTOC($0,"8S")
>>* Of course, then the next fire a overflow error
>>? CTOBIN(BINTOC($0,"8S"),"YS")
>>* and next return a complement value
>>? CTOBIN(BINTOC($1,"8S"),"YS")
>>