
DiFFerentiating an expression step-by-step
You can use the HP 49G to differentiate expressions in step-by-step mode.
The computer algebra system displays the results of each stage of the
differentiation process. The results of each step of the operation are
written to History.
Setting step-by-step mode
You use the CAS Modes input form to set step-by-step mode.
1. Press (mode).
The Calculator Modes input form is displayed.
2. Press CAS.
The CAS Modes input form is displayed.
3. Press ® ® ® to move the cursor to the
Step/Step field and press CHK.
A check mark appears next to the mode
setting.
4. Press (ENTER) twice to return to the default
screen.
Performing step-by-step operations
You can perform step-by-step operations from within Equation Writer.
1. Use the above method to set step-by-step mode.
2. Access Equation Writer and either create or import the expression that
you want to work on.
3. Use the arrow keys to select the expression.
4. Press E® to perfonn the first step in tire operation.
The result of the first step is displayed.
5. Press (EV® to perform the next step in the operation. Each time you
press (E®. the calculator performs the next step in the process, and
displays the result.
CBS HOOES
Iri-34p
HOduU: 3
_n»JH«riC _ Approx _COHpl.iX
_ycrb05« gSt«p-^StCp _IriCr POH
^ Rigorous ¿!SiHp non-Rati'>rii3l
PgrforH Opg|■0ti0Г^5 stip ba 5t<!p?
Working with expressions
Page 5-19
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