The Excel EXP function is one of those powerful tools that sits quietly in Excel, waiting for the moment you need exponential calculations. Whether you’re forecasting investment growth, modeling population trends, or solving scientific problems, EXP (Euler’s exponential) is the function that makes it all possible.

This guide covers everything: what EXP is, how to use it, and five practical examples showing exactly when and why you’d use it in real work.

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Need to perform bitwise AND operations on binary numbers in Excel? The BITAND function lets you compare two numbers at the bit level and return the result, without needing to manually convert to binary. This guide shows you how, step-by-step.

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Need to combine binary numbers using bitwise OR operations in Excel? The BITOR function lets you merge two numbers at the bit level and return the result, without needing to manually convert to binary. This guide shows you how, step-by-step.

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Need to perform exclusive OR operations on binary numbers in Excel? The BITXOR function lets you compare two numbers at the bit level and return 1 only where the bits differ, without needing to manually convert to binary. This guide shows you how, step-by-step.

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Need to calculate accrued interest on a bond or security in Excel? The ACCRINT function lets you compute the interest that has accumulated between coupon payment dates without manually calculating daily rates. This guide shows you how, step-by-step.

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The TAKE and DROP functions are complementary array slicing tools that work from either end of a dataset. TAKE extracts what you want; DROP removes what you don’t want. Master both, and you unlock powerful data subsetting capabilities – from extracting top performers to removing headers, from isolating recent transactions to trimming excess data.

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The TOCOL function converts any multi-dimensional array into a single vertical column. Whether you’re consolidating scattered data, preparing arrays for processing, or creating clean lists from complex structures, TOCOL transforms any layout into a linear vertical sequence with one simple formula.

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Need to calculate accrued interest on a security that pays interest at maturity in Excel? The ACCRINTM function lets you compute the interest that has accumulated from the issue date to the maturity date without manually calculating daily rates. This guide shows you how, step-by-step.

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The TOROW function converts any multi-dimensional array into a single horizontal row. Whether you’re consolidating data from scattered ranges, preparing data for iteration, or creating input arrays for other functions, TOROW transforms complex structures into linear sequences with one simple formula.

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The CHOOSECOLS function extracts specific columns from an array by their position numbers and arranges them in any order you choose. Instead of manually copying columns or using complex referencing, CHOOSECOLS lets you select exact columns, reorder them, and even duplicate them – all in a single dynamic formula.

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