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Shane,
OK thanks but...In that case why does 123 return TRUE ?. 12 is FALSE, giving FALSE3 = TRUE ????? why is FALSE3 True ? Sorry I must be daft I don't understand. What are the 'number values' of TRUE and FALSE ?? K "Shane Devenshire" wrote in message ... Hi, Here is what is going on: Suppose =1<2<3 is your formula Excel starts on the left and evaluates 1<2 which is TRUE, next it evalueates TRUE<3 and returns FALSE. It never evaluates 2<3 in this example. -- If this helps, please click the Yes button. Cheers, Shane Devenshire "KRK" wrote: "KRK" wrote in message ... Hello, What does the logical expression (A1<A2<A3<A4) return ? How is the expression evaluated ? I've tried various numbers in A1....A4, but cannot seem to make sense of what the expression is doing ? Thanks KK For example, the expression (1<2<3) evaluates to FALSE (though it would appear to be true, and (123) evaluates to TRUE, though it would seem to be false. K |
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On Mar 19, 4:45*am, "KRK"
wrote: why does 123 return TRUE ?. 12 is FALSE, giving FALSE3 = TRUE ????? why is FALSE3 True ? Sorry I must be daft I don't understand. What are the 'number values' of TRUE and FALSE ?? If we convert the logic values TRUE and FALSE to numeric values (e.g. --(A1A2)), we get 1 and 0 respectively. But apparently, the reverse is not true. Try computing =(A1=FALSE) and =(A1=TRUE), where A1 is any numeric or text value. The result is always FALSE. And only TRUEFALSE, FALSE<TRUE, TRUE=TRUE and FALSE=FALSE are TRUE. Apparently, we can only meaningfully compare logic values with other logic values. |
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