HP 48gII Graphing Calculator Uživatelský manuál stáhnout pdf (Strana 81)

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This expression does not fit in the Equation Writer screen. We can see the

entire expression by using a smaller-size font. Press the @BIG C soft menu

key to get:

Even with the larger-size font, it is possible to navigate through the entire

expression by using the clear editing cursor. Try the following keystroke

sequence: C˜˜˜˜, to set the clear editing cursor atop the factor

3 in the first term of the numerator. Then, press the right arrow key, ™, to

navigate through the expression.

Simplifying an expression

Press the @BIG C soft menu key to get the screen to look as in the previous

figure (see above). Now, press the @SIMP C soft menu key, to see if it is

possible to simplify this expression as it is shown in the Equation Writer. The

result is the following screen:

This screen shows the argument of the SIN function, namely,

θ ,

transformed into

)(θLN

e . This may not seem like a simplification, but it is in

the sense that the cubic root function has been replaced by the inverse

functions exp-LN.

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HP 48gII Graphing Calculator Uživatelský manuál Strana 81

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