HP 49g Graphing Calculator - Manual (Page 130)

Step-by-step example
This example differentiates the following expression in step-by-step
mode.
3sin.x' + 4cos^x
1. Use the method described in the previous section to ensure that step-
by-step mode is set.
2. Press (EQW) to open Equation Writer.
3. Create the expression
3®@®®©4@@®©2®®®0
4. Select the expression.
5. Evaluate the first step.
6. Evaluate the next step.
7. Evaluate the next step.
8. Evaluate the last step. This returns the
final result of the derivation.
,3.SIH(.X)+4.C0SC.X)
ni>«KTrslanacrCram^laht<cqM*Hg:-
t8.C0S(X).SIH(X)-3.C0S(X)
BHIEHSlBimBElliSBl
Page 5-20 Working with expressions