An expression completely in one step, An expression step-by-step – HP 48g Graphing Calculator User Manual
Page 250
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EKPR:
MftR:
RESULT: Numeric
VRLUE:
ENTER EKPRESSIUN___________________
... aiFFEBENTIOTEj
The Numeric DIFFERENTIATE Screen
5. Enter the value at which you want to compute the derivative into
the VRLUE ii field.
6. Press UK
To symbolically
differentiate
an expression completely in one step:
1. Press
(TRfSYMBOLICl fT|
OK to open the
form.
20
....................jUIFFEREHTIRTEj
EKPR:
MRR:
RESULT: Symbolic
ENTER EKPRESSIUN___________________
The Symbolic DIFFERENTIATE Screen
2. Enter the function into the EKPR 5 field.
3. Enter the variable of differentiation into the
4. Press OK
field.
To symbolically
differentiate
an expression step-by-step:
:< to open the
E Press &
[SYMBOLIC) ®
0
form.
2. Enter the function into the EXPR; field.
3. Enter llie \ariable of differenticitioii into the VFlFUi field.
4. Press STEP . The first step of the derivative will be computed
and returiK'd to the stack.
5. Press (
EVAL
) repeatedly to advance the evaluation of the derivative
step-by-step.
20-10 Calculus and Symbolic Manipulation