Require a cell to be numeric

Is there any way to require a cell to be a number? I'm having a problem where people write comments in number cells and I want it to error starting next year.

Hi G,
Building on Wayne's approach.
can I check for text input on a bloc of cells? Specifically, D3 through J8, and have the error display in the comment cell?
I am not sure of your aim. Is this to help people [who] write comments in number cells or to help you audit the input? Anyway, here goes.
Method 1.
Another table (duplicate Table 1 then edit to add formulas):
Formula in D3 (then Fill Down and Fill Right to J8
=IF(T(Table 1::D3)="","",Table 1::D3)
That will display true number cells (T function returns "") as "" (Null). Non-number cells (T returns a value that is not Null) will display the "illegal" entry as the text value. If the aim is for you to audit, then the 'Not numbers' table could be hidden on another Sheet.
Method 2.
If all you need to know is how many "illegal" entries have been made,
Formula in D3 (Fill to J8) =IF(T(Table 1::D3)="","",1)
Any true number results in a value of Null, any Non-number results in a value of 1. Add them up in the Count Table
A2 =SUMIF(Count not numbers::D3:J8, ">0")
Neither of these methods are very helpful to alert your users to a wrong entry. I still think Wayne's and Barry's solutions are better.
Regards,
Ian.
P.S. Ignore the # symbol in J5 of the second screen shot. I was trying something out.

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Requirement in Cell Editor

Hello Guys,
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My characteristic is Circle and the Key Figures are Minutes of Usage and Revenue. I have to shwo the report like this:
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Tamil Nadu |    100             |    10000 | 201300A    | 201300
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Hi Vivek,
Just a thought:
Since you want to display Char - KF - Char - I dont know how that would be possible - So Can we use Profit/Cost centre ( they are hard coded already) as KF..using replacement path/formula variable..so that it is Char - KF - KF...
And then there should not be possible ??
Dont knw if i m entirely on wrong path - but you can try - let me knw if it works..
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Message was edited by:
        Gaurav

Optics experiment requires to control with a numeric control or string, but source code is having trouble

Hello,
I'm working with my professor on an optics experiment and we are trying to control a fast steering mirror with LabVIEW. We bought the mirror and power supply from piezosystemjena. They provided a LabVIEW code that works.
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Message Edited by Support on 11-06-2009 08:28 AM

Hi R0B0T,
Here is some example code to get you started.
There are two vis: Control.vi and app sim.vi The “control vi” simulates your “trying to control with concatenated string.vi” and the “app sim.vi” simulates your d-drive application.
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Notice in the Control.vi how I generate a value change event for the concatenate function using a value signaling property node. This is required by the receiving app to be able to detect that a change has occurred.
Also note that I passed through a stop event to close the app sim vi. The d-drive application does not have an input for this and that is a problem. To cleanly stop the d-drive app you will need to add this functionality (or live with having to stop both vis separately). You will have to read the stop value in two places – in the event structure (lower loop) and also in the while loop (upper loop). I decided at the last moment to include this functionality in the app sim vi so you could see what that might look like.
Note that in the app sim vi I have a comment about dealing with your knob vs numeric issue. This should give you an idea of what you are up against. It really isn’t too hard if you are able to understand these examples.
steve
Help the forum when you get help. Click the "Solution?" icon on the reply that answers your
question. Give "Kudos" to replies that help.
Attachments:
Control.vi ‏14 KB
app sim.vi ‏14 KB

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Require a cell to be numeric

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