# HP 50g User Manual Page 78

Graphing calculator.

Press the down arrow key (˜) to trigger the clear editing cursor. The screen
now looks like this:
By using the left arrow key (š) you can move the cursor in the general left
direction, but stopping at each individual component of the expression. For
2
example, suppose that we will first will transform the expression
/2 into the
5
expression LN(
/3) . With the clear cursor active, as shown above, press the
2
left-arrow key (š) twice to highlight the 2 in the denominator of
/2. Next,
press the delete key (ƒ) once to change the cursor into the insertion cursor.
Press ƒ once more to delete the 2, and then 3 to enter a 3. At this point,
the screen looks as follows:
Next, press the down arrow key (˜) to trigger the clear editing cursor
2
highlighting the 3 in the denominator of
/3. Press the left arrow key (š)
2
once to highlight the exponent 2 in the expression
/3. Next, press the delete
key (ƒ) once to change the cursor into the insertion cursor. Press ƒ once
more to delete the 2, and then 5 to enter a 5. Press the upper arrow key
5
(—) three times to highlight the expression
/3. Then, type ‚¹ to
apply the LN function to this expression. The screen now looks like this:
Next, we'll change the 5 within the parentheses to a ½ by using these
keystrokes:
šƒƒ1/2
Next, we highlight the entire expression in parentheses an insert the square root
symbol by using:
————R
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