Square root is the inverse calculation of finding the root of a square. Excel offers five different methods for calculating square roots
Formula errors indicate problems in Excel calculations. Most errors result from small mistakes like typos or incorrect cell references. Errors help identify issues before they become critical problems
Excel formulas are expressions that perform operations based on cell values. Formulas always start with an equal sign (=). Excel has over 500 predefined functions for various calculations
Voltage equals power divided by current (V = P/I). Example: 20W at 4A equals 5V
Press Ctrl+H to open Find & Replace. Press space in "Find what" field. Click "Replace all" and "OK". This removes spaces between characters only
Flash Fill combines data by typing first merged cell pattern. Columns must be adjacent and not consecutive. Press Control + E to activate Flash Fill manually. Merged column preserves original data without formulas