Click on "Formula Is" and try this:

=MOD(ROUND(A1/100000,1),1)<=0.4

Set format for RED.

Black will be the default for the other values.
--
HTH,

RD

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"John Knoke" wrote in message
...
How can I do a coditional formatting of €œn€� cells in column where the
cell
number is divided by 100,000 and if the decimal number is between X.1 and
X.4
format the cell number in €œred€�. If the decimal number is between X.0 and
X.5
format the number in €œblack€�

Divide each cell by 100,000

A1 117,176 1.2 Red A1
A2 218,205 2.2 Red A2
A3 288,242 2.9 Black A3
A4 375,224 3.8 Black A4
A5 454,227 4.5 Black A5
A6 535,557 5.4 Red A6
A7 612,154 6.1 Red A7
A8 694,623 6.9 Black A8

Thanks for any help