# Using VBA Functions in Excel Worksheet

## Using VBA Functions in Excel Worksheet

I have a function defined in a VBA module. How can I call/use this function inside a Worksheet cell?

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## Related Tutorials

### differences between worksheet functions and VBA functions

When evaluating a blank cell, Excel returns two different values from two functions I had expected would return the same value:

Worksheet function: Application.WorksheetFunction.IsNumber(Range(.)) returns FALSE

VBA function: IsNumeric(.) returns TRUE

Why would IsNumeric return TRUE for a value of ""?

### how to? custom worksheet function using VBA

Is it possible to create "custom" worksheet functions in VBA in Excel 2007?

I used to do this quite easily in Excel 5. I can't find how to do this in the new version.

This MS article doesn't seem to work for the 2007:

### Newbie in VBA Excel needs help in copying & updating excel columns

in using VBA Excel and have never use VBA excel before and am totally lost in my problem. Thus, I would GREATLY appreciate a direction or two.

I have 2 worksheets ONE and TWO. Both have the same columns type and column number (approximately 15) with worksheet TWO being the more updated worksheet.

I need to find the rows in worksheet TWO which are not present in worksheet ONE by comparing column A in both worksheets. After which I will copy the whole row from worksheet TWO to worksheet ONE. During the process of comparing column A in both worksheets, I also need to update column C and E of worksheet ONE.

I can do the above without using VBA but I need to create a macro for it to automate the whole process for future uses.

### FIND() for VBA

There is an Excel worksheet function "FIND()" I use in cell equations along with MID(), RIGHT() and LEFT().

I have found the MID(), RIGHT() and LEFT() to work in VBA, however I am not having luck with a function like the FIND() in the worksheet functions. Does something like that exist in VBA?

### VBA to disable x (close) button on worksheet

I have a macro that opens a worksheet and at the same time disables the ability to print, save, email, . the information on the worksheet. There is also a button that re-enables these commands on exit.

Problem being some people are closing the worksheet by clicking on the x button in the top right hand corner - leaving these commands disabled.

Is there a way I can use VBA in my existing button code to disable the close worksheet and close excel crosses, ane re-enable them when the button to exit the worksheet is correctly pressed? I can see that it can be done via a form, but I have a worksheet not a form.

Any help or comments on whether this is possible

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Demo version recovers passwords containing no more than 3 characters.

### Pointers to Functions

Up to this point we have been discussing pointers to data objects. C also permits the declaration of pointers to functions. Pointers to functions have a variety of uses and some of them will be discussed here.

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### The Unit Circle - Trigonometric Functions

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