The `BIN2DEC` function in Excel is used to convert a binary number (base 2) to a decimal number (base 10). Here’s how you can use it:
Syntax:
BIN2DEC(number)
- number: This is the binary number you want to convert to a decimal number. It can be up to 10 characters long, which includes the sign bit in binary systems. The number must be represented as a string or a number without any decimal points.
Steps to Use BIN2DEC:
- Open Excel: Open the Excel workbook where you want to perform the conversion.
- Select a Cell: Click on the cell where you want the result (decimal number) to appear.
- Enter the BIN2DEC Function:
- Start by typing `=BIN2DEC(`.
- Enter the binary number within quotes if it’s a text or directly if it’s formatted as a number. For example, `=BIN2DEC(“1101”)` or `=BIN2DEC(1101)`.
- Close the parenthesis and press `Enter`.
- View the Result: The cell will display the decimal equivalent of the binary number you entered.
Example:
- Binary number `1101` is equivalent to the decimal number `13`.
- Using the formula: `=BIN2DEC(“1101”)` would yield `13`.
Important Notes:
- Ensure the binary number is valid and does not exceed 10 bits, which includes the sign bit. For positive numbers, this means 9 data bits and 1 sign bit.
- For negative binary numbers, Excel represents them using two’s complement notation. In such cases, if the binary number is a negative value, `BIN2DEC` will interpret it as such based on the sign bit (left-most bit).
Using this function is straightforward and can be very handy when dealing with binary-to-decimal conversions in your Excel worksheets.
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