Sharp EL9900C EL-9900C - Page 96
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UPC - 074000016873
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Chapter 6: Advanced Graphing Features - Advanced Keyboard 7. Press G to draw the graph. 8. If the line is outside of the graph's range, press Z then 1 to select automatic zoom. This will only display a small portion of the graph, so the graph's range will need to be changed. 9. Press W. Find nMax= and change the value to 15 (default: 10). Next, find Xmax= and change the value to 15 too (default: 10). 10. Press the G key again. 11. Use the graph trace function by pressing U. As ' is pressed several times, the n value (=X value, since the graph is set to "Time" format) increases, and the Y value (the balance of your account) will change. Find the Y value when the n value is 6 (after 6 months) as well as the value when n=12 (after 12 months = 1 year). You can obtain the value directly from the CALC menu. 1. Press @ k and select 1 VALUE. n= will appear on the bottom line of the screen. 2. Enter the n value of 6, and press E. 3. Follow the procedure 1 to 2 to obtain the Y value for 12. 86