HP 39gs

Appendix A: Some Worked Examples............................................................................298
Finding the intercepts of a quadratic ..........................................................................298
Finding complex solutions to a complex equation ......................................................299
Finding critical points and graphing a polynomial......................................................300
Solving simultaneous equations.................................................................................302
Expanding polynomials .............................................................................................304
Exponential growth ...................................................................................................305
Solution of matrix equations......................................................................................307
Finding complex roots ...............................................................................................308
Complex Roots on the hp 40gs ..................................................................................309
Analyzing vector motion and collisions ......................................................................310
Circular Motion and the Dot Product ..........................................................................311
Inference testing using the Chi
2
test............................................................................312
Appendix B: Teaching or Learning Calculus....................................................................314
Investigating the graphs of y=x
n
for n an integer ....................................................314
Domains and Composite Functions .............................................................................315
Gradient at a Point ....................................................................................................317
Gradient Function ......................................................................................................318
The Chain Rule...........................................................................................................319
Optimization .............................................................................................................319
Area Under Curves ....................................................................................................320
Fields of Slopes and Curve Families ...........................................................................320
Inequalities................................................................................................................321
Rectilinear Motion......................................................................................................321
Limits.........................................................................................................................321
Piecewise Defined Functions ......................................................................................322
Sequences and Series ................................................................................................322
Transformations of Graphs ........................................................................................323
Appendix C: The CAS on the hp 40gs .............................................................................324
Introduction ...............................................................................................................324
Using the CAS ............................................................................................................327
Examples using the CAS ............................................................................................341
The CAS menus ..........................................................................................................358
On-line help ..............................................................................................................361
Configuring the CAS...................................................................................................362
Tips & Tricks - CAS .....................................................................................................366