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# Building Formulas With Excel 2

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### Building Formulas With Excel 2

1. 1. Building Formulas With Excel COMPUTER LITERACY FORM 1
2. 2. Formula <ul><li>A formula is the written expression of a calculation to be performed by Excel. </li></ul>
3. 3. <ul><li>When you enter a formula into a cell, the formula is stored internally while the calculated result appears in the cell. </li></ul>
4. 4. <ul><li>To allow Excel to distinguish formulas from data, all formulas begin with an equal sign ( = ) or a plus sign (+). </li></ul>
5. 5. <ul><li>The following are </li></ul><ul><li>mathematical operators in a </li></ul><ul><li>excel formula. </li></ul>
6. 6. Subtraction - Addition + Division / Multiplication * Exponentiation ^ Meaning Operator
7. 7. <ul><li>When a formula contains two or more operators, the order in which operations are performed is determined by operator priority. </li></ul>
8. 8. <ul><li>For example, exponentiation is always performed before any other operation. </li></ul>
9. 9. <ul><li>Multiplication and division are next on the priority list, performed sequentially from left to right. </li></ul>
10. 10. <ul><li>Finally, addition and subtraction are performed, again from left to right. Consider the following equation. </li></ul>
11. 11. <ul><li>2 + 4 * 6 / 3 - 1 = 9 </li></ul><ul><li>First, four is multiplied by six, </li></ul><ul><li>and the result is divided by </li></ul><ul><li>three. Two is then added to </li></ul><ul><li>the result, and one is </li></ul><ul><li>subtracted. </li></ul>
12. 12. <ul><li>Operations contained within parentheses are completed before those outside parentheses. </li></ul>
13. 13. <ul><li>Thus, the following equation is calculated differently than the previous one. </li></ul><ul><li>(2 + 4) * 6 / (3 - 1) = 18 </li></ul>