How to use HEX2BIN function in Excel?

The `HEX2BIN` function in Excel is used to convert a hexadecimal number to its binary equivalent. Here’s how you can use this function:

HEX2BIN(number, [places])

number: This is the hexadecimal number you want to convert. It must be a valid hexadecimal number, which can be a number between 1 and 10 characters long (you can include spaces, but they will be treated as zeros), using the characters 0-9 and A-F.
places (optional): This specifies the number of characters to use for the result. If you omit this argument, the function uses the minimum number of characters necessary. If you provide a value, it pads the result with leading zeros as necessary, but will return a `#NUM!` error if `places` is less than the number of characters required for the binary result.

Suppose you want to convert a hexadecimal number `A3` to a binary number:

If the `number` is not a valid hexadecimal number, Excel will return a `#NUM!` error.
If the `number` provided is negative, ensure it is given in the two’s complement binary representation, and the output will also be in two’s complement.
The result of the conversion truncates digits that do not fit into the specified `places` argument (if exceeded), so choosing places smaller than necessary will result in a `#NUM!` error.

By following these guidelines, you should be able to effectively use the HEX2BIN function to perform hexadecimal to binary conversions in Excel.

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