ii
Contents
Contents
Modes
.....................................................................................................
2-18
Changing a mode
............................................................................
2-18
Algebraic and RPN modes
.............................................................
2-21
Exact and approximate modes
.....................................................
2-22
Command line calculations
.................................................................
2-24
Time Management
................................................................................
2-26
Setting the date and time
...............................................................
2-26
Changing the format of the date or time
.....................................
2-27
Alarms
..............................................................................................
2-27
Chapter 3: Creating and editing expressions
3-1
Creating a new expression
....................................................................
3-2
Editing an expression
............................................................................
3-3
Using Equation Writer
...........................................................................
3-4
Implied multiplication
......................................................................
3-4
Entering e and i
.................................................................................
3-4
Operating modes
....................................................................................
3-5
Working with modes
........................................................................
3-5
How Equation Writer sees expressions
.........................................
3-7
Examples
.................................................................................................
3-8
Example 1
..........................................................................................
3-8
Example 2
..........................................................................................
3-8
Example 3
..........................................................................................
3-9
Equation Writer keys
.............................................................................
3-9
Chapter 4: Plotting graphs
4-1
Basic plotting
..........................................................................................
4-3
Plot types
.................................................................................................
4-6
Function plots
...................................................................................
4-6
Parametric plots
...............................................................................
4-8
Polar plots
.......................................................................................
4-10
Conic plots
.......................................................................................
4-13
Differential equation plots
.............................................................
4-15
Truth plots
.......................................................................................
4-17
Slopefield plots
...............................................................................
4-19
Wireframe plots
..............................................................................
4-20
Pseudo-Contour plots
....................................................................
4-21
Y-Slice plots
.....................................................................................
4-23
Gridmap plots
.................................................................................
4-24
Parametric surface plots
................................................................
4-25
Fast 3-D plots
..................................................................................
4-27
Statistical plots
...............................................................................
4-28