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Excel/Linking A Checkbox

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Question
check boxes are in column A and costs are in column D.  My sum formula is =SUM(D1:D10) but I do not want the value in D1 added in the formula if the checkbox is not selected.  How can I achieve this?  Thank you.

Answer
Start with new worksheet. View the Control Toolbox toolbar, and use it to place a checkbox on the sheet. Right-click on the checkbox, and set the LinkedCell Property to =A1. Exit design mode, and close the Control Toolbox. Check and uncheck the new checkbox, and see how cell A1 switches between TRUE and FALSE depending on whether checkbox is checked.

In an unused cell, enter this formula:

=IF(A1,SUM(D1:D10),SUM(D2:D10))

The result displayed by this formula will include D1 in the sum only if the checkbox is checked.
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Stuart Resnick

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I can answer questions relating to MS Excel formulas, or to programming with vba (Visual Basic for Applications) in the Excel environment. Please follow the following guidelines: your question should focus on one specific issue you want to learn. It's beyond the scope of this free service for me to create entire projects or complex vba solutions for you from scratch. You should be able to do most of the work yourself, and come here when you need help with a specific point you're stuck on. ALWAYS include a simple, concrete example illustrating what you want to learn. Explain this example in detail in the text of your question (what data is in which cells of which sheets, etc). Be very precise about the results you want, using this sample to make the logic clear. Always keep these examples SIMPLE. Never e.g. use 18 worksheets in your example if using 2 or 3 will do. Never use ranges like AI567:BB865 if using a range like A1:B3 will do. Thanks.

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As a consultant, I've designed Excel tools since the 90s, working for the Federal Reserve Bank, AT&T, and (currently) Gap Inc.

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