In this example, the goal is to test the passwords in column B to see if they contain a number. This is a surprisingly tricky problem because Excel doesn't have a function that will let you test for a number inside a text string directly. Note this is different from checking if a cell value...Read more
The Excel OFFSET function returns a dynamic range constructed with five inputs: (1) a starting point, (2) a row offset, (3) a column offset, (4) a height in rows, (5) a width in columns.
OFFSET is a volatile function
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The 4% retirement rule suggests you can safely withdraw 4% of your portfolio in year one of retirement, then adjust that amount for inflation each year for 30 years without running out of money. But how does this actually play out year by year? This article builds a complete Excel model to...Read more
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