Hewlett-Packard F2226A - 48GII Graphic Calculator User's Manual
Download Operation & user’s manual of HP 48gII Calculator for Free or View it Online on All-Guides.com.
Brand: HP
Category: Calculator
Type: Operation & user’s manual
Model: HP 48gII , HP F2226A - 48GII Graphic Calculator
Pages: 864 (9.97 Mb)
Page 2-23
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,
3
θ ,
transformed into
3
)(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the sense that the cubic root function has been replaced by the inverse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.