... you want to do and then ATAN ATANZ ATANH 1 ~AVERAGEA Figure 4.5 78 A Guide to Microsoft Excel 2002 for Scientists and Engineers 1 2 3 4 Exercise 3: Quadratic Equation ... the form 45:30: 10 , as shown in Figure 4 .1 1. We take advantage of the fact that time and angular measurements have similar formats. Figure 4 .11 (h) Enter the text shown in A1 2, A1 3, C12 ... divided into 10 groups: mathematical and trigonometric, engineering, logical, statistical, date and time, database, financial, informational, lookup and reference, and text. In addition,...