Sharp EL9900C EL-9900C - Page 28
Second Function Key
UPC - 074000016873
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Chapter 2: Operating the Graphing Calculator Tips: Example Type 4500000, then remove 500. # C 4 5 0 0 0 0 0 ; ; ; B B B You can jump the cursor to the beginning or the end of line by using the @ and ; ' keys. To learn about how to use the @ key and its functions, refer to the section "Second Function Key" of this chapter. Second Function Key Use @ to call up the calculator's extended key functions, math functions and figures. All functions associated with @ are color coded light yellow, and are printed above each key. Note: Available Second function keys differ between the Basic keyboard and the Advanced keyboard. For example, a second function "ex" is not accessible within the Basic keyboard. Example Enter "2π" on the screen. 1. Press # C to clear the screen, then enter "2" by pressing 2. 2. Press @. When the key is released, the cursor on the screen changes, indicating that a second function is now ready to be called up. 3. Press $. The entry appears on the screen. 18