1. How does Microsoft Excel recognize that you have typed in a formula? 2.How do you find the potential for a point charge? 3. What are the dollar signs $ used for in Microsoft Excel formulas? a) Copy the results of a calculation to the next cell in the row. b) Indicates that the number following is a dollar amount. c) Tells Excel not to scroll the following column letter or row number. d) To indicate that the following text is a heading. Solution 1. By Begining every formula with an equal sign (=).It tells the Excel that the string of characters you\'re entering into a cell is a mathematical formula. If you forget the equal sign, Excel will treat the entry as a character string. 2. 3. It means that the row or column which comes after the dollar sign is anchored or absolute. When you copy Excel formulas, they will copy cells referred in that formula relative to the position where they are being copied to. .