Fix a cell value from another changing cell value

Simon Ford

New Member
Joined
Nov 20, 2003
Messages
3
How can I fix a cell value from another cell whose value will change e.g.

A1 = 300

B1 = 500

A1 TO CHANGE TO 500

B1 THEN CHANGES TO 0

A1 TO STAY AS 500 (FIXED)
 

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santeria

Well-known Member
Joined
Oct 7, 2003
Messages
1,844
What determines the Values of A1 and B1?
Is that from another cell, or ... ??

(y)
 

Simon Ford

New Member
Joined
Nov 20, 2003
Messages
3
A1 would be a fixed starting value until B1 temporarily populates (B1 will usually read 0). The value for B1 is updated from a LOOKUP table when conditions are TRUE, but will revert to 0 when they are not. At anytime that the value for B1 becomes greater than 0, A1 must take this as its new fixed value (and not revert to 0 or its original value).
 

santeria

Well-known Member
Joined
Oct 7, 2003
Messages
1,844
Okay, not real clear on it, but sounds like an IF formula for A1 would work if B1 is determined by a lookup...
Of course, some combinations would be possible, if B1 has a reciprocal connection to A1, and not A1 just having the Linear connection to B1...

:unsure:
 
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