Number wheel chart

TOKYOJ1

New Member
Joined
Aug 14, 2017
Messages
30
Hello,

Need some help with the data below with dates and numbers changing from positive to negative and positive again.

At the point of change from positive to negative number, I would like to mark "X" and also from negative to positive number also mark "X" on third column.

Can anyone suggest a formula I can use for my spreadsheet?

Thanks in advance,
TJ


Date
[TABLE="width: 239"]
<colgroup><col><col span="2"></colgroup><tbody>[TR]
[TD]13/1/1925 0:00[/TD]
[TD="align: right"]2.07[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]14/1/1925 0:00[/TD]
[TD="align: right"]1.91[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]15/1/1925 0:00[/TD]
[TD="align: right"]1.75[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]16/1/1925 0:00[/TD]
[TD="align: right"]1.59[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]17/1/1925 0:00[/TD]
[TD="align: right"]1.43[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]18/1/1925 0:00[/TD]
[TD="align: right"]1.27[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]19/1/1925 0:00[/TD]
[TD="align: right"]1.11[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]20/1/1925 0:00[/TD]
[TD="align: right"]0.95[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]21/1/1925 0:00[/TD]
[TD="align: right"]0.79[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]22/1/1925 0:00[/TD]
[TD="align: right"]0.64[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]23/1/1925 0:00[/TD]
[TD="align: right"]0.19[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]24/1/1925 0:00[/TD]
[TD="align: right"]0.05[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]25/1/1925[/TD]
[TD="align: right"]-0.09[/TD]
[TD] X[/TD]
[/TR]
[TR]
[TD]26/1/1925 0:00[/TD]
[TD="align: right"]-0.23[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]27/1/1925 0:00[/TD]
[TD="align: right"]-0.36[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]28/1/1925 0:00[/TD]
[TD="align: right"]-0.49[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]29/1/1925 0:00[/TD]
[TD="align: right"]-0.7[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]30/1/1925 0:00[/TD]
[TD="align: right"]-0.54[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]31/1/1925 0:00[/TD]
[TD="align: right"]-0.36[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]1/2/1925 0:00[/TD]
[TD="align: right"]-0.18[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]2/2/1925[/TD]
[TD="align: right"]0[/TD]
[TD] X[/TD]
[/TR]
[TR]
[TD]3/2/1925 0:00[/TD]
[TD="align: right"]0.2[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]4/2/1925 0:00[/TD]
[TD="align: right"]0.4[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]5/2/1925 0:00[/TD]
[TD="align: right"]0.6[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]6/2/1925 0:00[/TD]
[TD="align: right"]0.81[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]7/2/1925 0:00[/TD]
[TD="align: right"]1.01[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]8/2/1925 0:00[/TD]
[TD="align: right"]1.22[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]9/2/1925 0:00[/TD]
[TD="align: right"]1.43[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]10/2/1925 0:00[/TD]
[TD="align: right"]1.63[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]11/2/1925 0:00[/TD]
[TD="align: right"]1.82[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]12/2/1925 0:00[/TD]
[TD="align: right"]2.01[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]13/2/1925 0:00[/TD]
[TD="align: right"]2.19[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]14/2/1925 0:00[/TD]
[TD="align: right"]2.36[/TD]
[TD][/TD]
[/TR]
</tbody>[/TABLE]
 

Excel Facts

Square and cube roots
The =SQRT(25) is a square root. For a cube root, use =125^(1/3). For a fourth root, use =625^(1/4).
[table="width:, class:grid"][tr][td="bgcolor:#c0c0c0"][/td][td="bgcolor:#c0c0c0"]
b​
[/td][td="bgcolor:#c0c0c0"]
c​
[/td][td="bgcolor:#c0c0c0"]
d​
[/td][/tr][tr][td="bgcolor:#c0c0c0"]
2​
[/td][td]
2.07​
[/td][td="bgcolor:#ccffcc"][/td][td="bgcolor:#ccffcc"]c2: =if(sign(b1)*sign(b2)=-1, "x", "")[/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
3​
[/td][td]
1.91​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
4​
[/td][td]
1.75​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
5​
[/td][td]
1.59​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
6​
[/td][td]
1.43​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
7​
[/td][td]
1.27​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
8​
[/td][td]
1.11​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
9​
[/td][td]
0.95​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
10​
[/td][td]
0.79​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
11​
[/td][td]
0.64​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
12​
[/td][td]
0.19​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
13​
[/td][td]
0.05​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
14​
[/td][td]
-0.09​
[/td][td="bgcolor:#ccffcc"]x[/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
15​
[/td][td]
-0.23​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
16​
[/td][td]
-0.36​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
17​
[/td][td]
-0.49​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
18​
[/td][td]
-0.7​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
19​
[/td][td]
-0.54​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
20​
[/td][td]
-0.36​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
21​
[/td][td]
-0.18​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
22​
[/td][td]
0​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
23​
[/td][td]
0.2​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
24​
[/td][td]
0.4​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
25​
[/td][td]
0.6​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
26​
[/td][td]
0.81​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
27​
[/td][td]
1.01​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
28​
[/td][td]
1.22​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
29​
[/td][td]
1.43​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
30​
[/td][td]
1.63​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
31​
[/td][td]
1.82​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
32​
[/td][td]
2.01​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
33​
[/td][td]
2.19​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[tr][td="bgcolor:#c0c0c0"]
34​
[/td][td]
2.36​
[/td][td="bgcolor:#ccffcc"][/td][td][/td][/tr]
[/table]
 
Upvote 0
... and numbers changing from positive to negative and positive again.

0 is not a positive number or negative number ....

[Table="width:, class:grid"][tr][td="bgcolor:#C0C0C0"][/td][td="bgcolor:#C0C0C0"]
B​
[/td][td="bgcolor:#C0C0C0"]
C​
[/td][td="bgcolor:#C0C0C0"]
D​
[/td][/tr][tr][td="bgcolor:#C0C0C0"]
1​
[/td][td="bgcolor:#F3F3F3"]
[/td][td="bgcolor:#F3F3F3"]
[/td][td="bgcolor:#F3F3F3"]
[/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
2​
[/td][td]
2.07​
[/td][td][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
3​
[/td][td]
1.91​
[/td][td="bgcolor:#CCFFCC"][/td][td="bgcolor:#CCFFCC"]C3: =IF(OR(SIGN(B2) * SIGN(B3) = -1, B3 = 0), "X", "")[/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
4​
[/td][td]
1.75​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
5​
[/td][td]
1.59​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
6​
[/td][td]
1.43​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
7​
[/td][td]
1.27​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
8​
[/td][td]
1.11​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
9​
[/td][td]
0.95​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
10​
[/td][td]
0.79​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
11​
[/td][td]
0.64​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
12​
[/td][td]
0.19​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
13​
[/td][td]
0.05​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
14​
[/td][td]
-0.09​
[/td][td="bgcolor:#CCFFCC"]X[/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
15​
[/td][td]
-0.23​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
16​
[/td][td]
-0.36​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
17​
[/td][td]
-0.49​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
18​
[/td][td]
-0.7​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
19​
[/td][td]
-0.54​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
20​
[/td][td]
-0.36​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
21​
[/td][td]
-0.18​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
22​
[/td][td]
0​
[/td][td="bgcolor:#CCFFCC"]X[/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
23​
[/td][td]
0.2​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
24​
[/td][td]
0.4​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
25​
[/td][td]
0.6​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
26​
[/td][td]
0.81​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
27​
[/td][td]
1.01​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
28​
[/td][td]
1.22​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
29​
[/td][td]
1.43​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
30​
[/td][td]
1.63​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
31​
[/td][td]
1.82​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
32​
[/td][td]
2.01​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
33​
[/td][td]
2.19​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[tr][td="bgcolor:#C0C0C0"]
34​
[/td][td]
2.36​
[/td][td="bgcolor:#CCFFCC"][/td][td][/td][/tr]
[/table]
 
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