You apply a filter to your Excel data, but the SUM function keeps calculating hidden rows. This happens because the standard SUM function includes all cells in its range, regardless of visibility. Excel provides a dedicated function, SUBTOTAL, designed to perform calculations on filtered data. This article explains how to use SUBTOTAL to sum only … Read more
Excel formulas often return errors like #N/A or #DIV/0! when they encounter problems. These error messages can make your spreadsheet look unprofessional and disrupt other calculations. The IFERROR function provides a way to catch these errors and replace them with a custom value. This article explains how to use IFERROR to display a blank cell … Read more
Copying a formula from one Excel sheet to another often results in broken references or incorrect calculations. This happens because Excel’s default relative referencing changes based on the new location. You need to control how cell references adjust during the copy operation. This article explains the methods to copy formulas while preserving their intended logic. … Read more
You may need to see every formula in your Excel workbook to audit calculations or find errors. Excel has a dedicated view mode that displays formulas in cells instead of their results. This article explains how to activate this view using the keyboard shortcut and menu options. Key Takeaways: Show All Formulas in Excel Ctrl+` … Read more
When an Excel formula returns an unexpected result, finding the source of the error can be difficult. Complex spreadsheets contain formulas that reference many other cells, creating a web of connections. Excel provides built-in auditing tools to visually map these relationships. This article explains how to use the Trace Precedents and Trace Dependents features to … Read more
You are editing a large Excel workbook, and the calculation progress bar constantly interrupts your work. This happens because Excel is set to automatically recalculate formulas after every change you make. The constant recalculations slow down your editing and cause the progress bar to appear repeatedly. This article explains how to change the calculation mode … Read more
You may have noticed that formulas inside an Excel Table look different from regular cell references. This is because Excel uses structured references. Structured references use table and column names instead of standard cell addresses like A1. This article explains how structured references work and why they make your formulas easier to read and maintain. … Read more
You see a #NAME? error in your Excel cell after using the LET function. This error means Excel cannot recognize a name used in your formula. The cause is typically a mistake in how you defined or called a variable inside the LET function. This article explains the specific syntax errors that cause this and … Read more
The Excel LAMBDA function lets you create custom, reusable formulas. However, it will not work if you try to use it directly in a cell like a standard function. The LAMBDA function requires a specific setup step to become operational. This error occurs because LAMBDA must be defined and registered in the Name Manager before … Read more
You subtract two times in Excel, but the result is off by one minute. This happens even when the times appear correct in their cells. The cause is a floating-point rounding error in how Excel stores time values. Excel represents time as a decimal fraction of a 24-hour day. This system can create tiny calculation … Read more