Summary of How To Use Relative & Absolute Cell References In Excel
Main Ideas and Concepts:
- Relative Cell References: By default, Excel uses Relative Cell References, which change when you copy a formula to another cell. For example, when multiplying values from two columns, extending the formula will adjust the references accordingly.
- Absolute Cell References: To keep a reference constant while copying a formula, you can use Absolute Cell References. This is achieved by placing a dollar sign ($) in front of the column letter and/or row number.
Methodology for Using Absolute Cell References:
- Basic Calculation:
- Start with two columns of data (e.g., Column 1 and Column 2).
- In a target cell (e.g., B5), perform a multiplication (e.g., `=B5*C5`).
- Drag the fill handle (the small square at the bottom-right corner of the cell) to extend the formula down the column.
- Using Absolute References:
- If you want to multiply a column by a fixed value located in another cell (e.g., E2), type the formula as `=B5*$E$2`.
- The dollar signs lock the reference to E2, preventing it from changing as you extend the formula.
- To lock only the column or the row:
- Use `$E2` to lock the column (E) but allow the row to change.
- Use `E$2` to lock the row (2) but allow the column to change.
- Extending Formulas:
- After entering the absolute reference, drag the fill handle to extend the formula down or across. The locked reference will remain constant, ensuring consistent calculations.
Key Points:
- Use `$` to create absolute references in Excel.
- `$E$2` locks both column and row.
- `$E2` locks the column only.
- `E$2` locks the row only.
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