HP 49g+, Руководство пользователя

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Page 2-8
b
L
y R
R
x
L
2
1 2
+
+
+
We set the calculator operating mode to Algebraic, the CAS to
Exact
, and the
display to
Textbook
. To enter this algebraic expression we use the following
keystrokes:
³2*~l*R„Ü1+~„x/~r™/
„ Ü ~r+~„y™+2*~l/~„b
Press
`
to get the following result:
Entering this expression when the calculator is set in the RPN mode is exactly
the same as this Algebraic mode exercise.
Editing algebraic expressions
Editing of an algebraic expression with the line editor is very similar to that of
an arithmetic expression (see exercise above). Suppose that we want to
modify the expression entered above to read
b
L
x R
R
x
L
2
1 2
2
+
+
+
To edit this algebraic expression using the line editor use
„˜
. This
activates the line editor, showing the expression to be edited as follows: