A B C D E F G I L M N O P R S T V X Y Z

A

ABS - Static variable in class freegraph.ExpressionItem.UnOperator

ACTION_COMPLETE - Static variable in class freegraph.ExpressionStack

Action indicating that conversion is complete

ACTION_DELETE_HOLD - Static variable in class freegraph.ExpressionStack

Action indicating that the top of the hold stack should be deleted

ACTION_ERROR - Static variable in class freegraph.ExpressionStack

Action indicating that an error has occured because an unexpected token was encountered

ACTION_HOLD_TO_RPN_STACK - Static variable in class freegraph.ExpressionStack

Action indicating that the top of the hold stack should be put on the top of the RPN stack

ACTION_INFIX_TO_HOLD_STACK - Static variable in class freegraph.ExpressionStack

Action indicating that the top of the infix stack should be put on the top of the hold stack

ACTION_INFIX_TO_RPN_STACK - Static variable in class freegraph.ExpressionStack

Action indicating that the top of the infix stack should be put on the top of the RPN stack

actionPerformed(ActionEvent) - Method in class freegraph.GraphingApplet

called by buttons and other components.

actionPerformed(ActionEvent) - Method in class freegraph.GraphPlane

dispatches action events from the popup menu.

actionPerformed(ActionEvent) - Method in class freegraph.ExpressionParsingApplet

responds to action events from convert button of text field by parsing the expression and displaying the RPN stack

actionPerformed(ActionEvent) - Method in class freegraph.EquationSolvingApplet

responds to button actions

ADD - Static variable in class freegraph.ExpressionItem.BiOperator

addGraphPlaneItem(GraphPlaneItem) - Method in class freegraph.GraphPlane

adds a GraphPlaneItem to be drawn when the graph is drawn

addGraphPlaneListener(GraphPlaneListener) - Method in class freegraph.GraphPlane

adds a GraphPlaneListener to receive events about the mouse location and the size of the GraphPlane.

axisChanged(double, double, double, double) - Method in class freegraph.GraphingApplet

called when the axis change on graph

axisChanged(double, double, double, double) - Method in interface freegraph.GraphPlaneListener

calles when the axis change

B

bisection(ExpressionEvaluator, ExpressionEvaluator, double, double, double, char) - Static method in class freegraph.EquationSolver

attempts to solve the equation expr1=exrp2 using bisection looking between low and high

C

convertX(double) - Method in class freegraph.GraphPlane

Converts a graph X value to a component X value

convertY(double) - Method in class freegraph.GraphPlane

Converts from a graph Y value to a component Y value

COS - Static variable in class freegraph.ExpressionItem.UnOperator

D

deconvertX(int) - Method in class freegraph.GraphPlane

Converts from a component X value to a graph X value

deconvertY(int) - Method in class freegraph.GraphPlane

Converts from a component Y value to a graph Y value

destroy() - Method in class freegraph.EquationSolvingApplet

destroys the option frame if it is not null.

DIV - Static variable in class freegraph.ExpressionItem.BiOperator

doOperation(double) - Method in class freegraph.ExpressionItem.UnOperator

drawItem(GraphPlane, Graphics, char) - Method in interface freegraph.GraphPlaneItem

drawItem(GraphPlane, Graphics, char) - Method in class freegraph.ExpressionEvaluator

called by GraphPlane to draw this GraphPlaneItem.

E

EquationSolver - class freegraph.EquationSolver.

class with static functions to find solutions to equations using either Newton's Method or Bisection techniques.

EquationSolver() - Constructor for class freegraph.EquationSolver

EquationSolvingApplet - class freegraph.EquationSolvingApplet.

Applet to solve equations.

EquationSolvingApplet() - Constructor for class freegraph.EquationSolvingApplet

evaluate() - Method in class freegraph.ExpressionEvaluator

evaluates the expression using the current variable values and returns the result (ExpressionEvaluator does some down casting on the ExpressionItems when evaluating expressions.

EXP - Static variable in class freegraph.ExpressionItem.UnOperator

ExpressionEvaluator - class freegraph.ExpressionEvaluator.

ExpressionEvaluator takes an expression as a String and evaluates the expression.

ExpressionEvaluator() - Constructor for class freegraph.ExpressionEvaluator

constructs a new ExpressionEvaluator with an empty expression

ExpressionEvaluator(String) - Constructor for class freegraph.ExpressionEvaluator

constructs a new ExpressionEvaluator with expression

ExpressionException - exception freegraph.ExpressionException.

ExpressionException used for exceptions in parsing expressions

ExpressionException(String) - Constructor for class freegraph.ExpressionException

Constructs a new ExpressionException with the supplied message

ExpressionItem - class freegraph.ExpressionItem.

Instances of ExpressionItem are used internally by the package.

ExpressionItem.BiOperator - class freegraph.ExpressionItem.BiOperator.

A BiOperator is an ExpressionItem used to hold a all binary operators.

ExpressionItem.BiOperator(int) - Constructor for class freegraph.ExpressionItem.BiOperator

ExpressionItem.Number - class freegraph.ExpressionItem.Number.

NumberExpressionItem is an ExpressionItem to represent a literal Number.

ExpressionItem.Number(double) - Constructor for class freegraph.ExpressionItem.Number

ExpressionItem.Parenthesis - class freegraph.ExpressionItem.Parenthesis.

A Parenthesis is an ExpressionItem used to hold a single parenthesis.

ExpressionItem.Parenthesis(int) - Constructor for class freegraph.ExpressionItem.Parenthesis

ExpressionItem.UnOperator - class freegraph.ExpressionItem.UnOperator.

A UnOperator is an ExpressionItem used to hold a all unary operators.

ExpressionItem.UnOperator(int) - Constructor for class freegraph.ExpressionItem.UnOperator

ExpressionItem.Variable - class freegraph.ExpressionItem.Variable.

A VariableExpressionItem is an ExpressionItem used to hold a single character variable.

ExpressionItem.Variable(char) - Constructor for class freegraph.ExpressionItem.Variable

ExpressionItem() - Constructor for class freegraph.ExpressionItem

ExpressionParsingApplet - class freegraph.ExpressionParsingApplet.

ExpressionParsingApplet displays the RPN expression stack generated from an infix expression entered by the user.

ExpressionParsingApplet() - Constructor for class freegraph.ExpressionParsingApplet

ExpressionStack - class freegraph.ExpressionStack.

ExpressionStack converts a free-form Infix expression into Postfix, or Reverse Polish Notation (RPN).

ExpressionStack() - Constructor for class freegraph.ExpressionStack

Constructs a new ExpressionStack which initially has no infixExpression

ExpressionStack(String) - Constructor for class freegraph.ExpressionStack

Constructs a new ExpressionStack for the infixExpression.

F

freegraph - package freegraph

G

getAction(ExpressionItem) - Method in class freegraph.ExpressionItem

getAction(ExpressionItem) - Method in class freegraph.ExpressionItem.Number

getAction(ExpressionItem) - Method in class freegraph.ExpressionItem.Variable

always moves this to RPN stack.

getAction(ExpressionItem) - Method in class freegraph.ExpressionItem.Parenthesis

If this is a LEFT parenthesis, this is moved to the hold stack; If it this is a RIGHT the hold stack is moved to the RPN stack, except if exprItem is a Parenthesis (delete hold stack) or null (error).

getAction(ExpressionItem) - Method in class freegraph.ExpressionItem.BiOperator

If exprItem is null or Parenthesis or if exprItem is a BiOperator with order of operations less than this, this item is moved to the hold stack.

getAction(ExpressionItem) - Method in class freegraph.ExpressionItem.UnOperator

Always moves this to the RPN stack.

getAppletInfo() - Method in class freegraph.GraphingApplet

getAppletInfo() - Method in class freegraph.ExpressionParsingApplet

getAppletInfo() - Method in class freegraph.EquationSolvingApplet

getColor() - Method in class freegraph.ExpressionEvaluator

returns the color of the expression.

getExpression() - Method in class freegraph.ExpressionEvaluator

returns the expression as the String it was set with.

getInfixExpression() - Method in class freegraph.ExpressionStack

getKind() - Method in class freegraph.ExpressionItem.Parenthesis

returns the kind of parenthesis (LEFT or RIGHT)

getNumber() - Method in class freegraph.ExpressionItem.Number

getParameter(String, String) - Method in class freegraph.GraphingApplet

returns the value of a parameter as a String.

getParameter(String, String) - Method in class freegraph.ExpressionParsingApplet

returns the value of a parameter as a String.

getParameter(String, String) - Method in class freegraph.EquationSolvingApplet

returns the value of a parameter as a String.

getParameterAsInt(String, int) - Method in class freegraph.GraphingApplet

returns the value of a parameter as an int.

getParameterAsInt(String, int) - Method in class freegraph.ExpressionParsingApplet

returns the value of a parameter as an int.

getParameterAsInt(String, int) - Method in class freegraph.EquationSolvingApplet

returns the value of a parameter as an int.

getParameterAsInt(String, int, int) - Method in class freegraph.GraphingApplet

returns the value of a parameter as an int.

getParameterAsInt(String, int, int) - Method in class freegraph.ExpressionParsingApplet

returns the value of a parameter as an int.

getParameterAsInt(String, int, int) - Method in class freegraph.EquationSolvingApplet

returns the value of a parameter as an int.

getParameterInfo() - Method in class freegraph.GraphingApplet

getValue(char) - Method in class freegraph.VariableValues

returns the value of the variable ch.

getVariable() - Method in class freegraph.ExpressionItem.Variable

returns the character for this variable

getVariables() - Method in class freegraph.ExpressionEvaluator

returns the VariableValues object representing the variables for this expression evaluator.

getXMax() - Method in class freegraph.GraphPlane

returns the maximum X value for the GraphPlane

getXMin() - Method in class freegraph.GraphPlane

returns the minimum X value for the GraphPlane

getYMax() - Method in class freegraph.GraphPlane

returns the maximum Y value for the GraphPlane

getYMin() - Method in class freegraph.GraphPlane

returns the minimum Y value for the GraphPlane

GraphingApplet - class freegraph.GraphingApplet.

Applet for GraphPlane.

GraphingApplet() - Constructor for class freegraph.GraphingApplet

constructs a new GraphingApplet

GraphingApplet(boolean) - Constructor for class freegraph.GraphingApplet

Creates a new GraphingApplet, with the provided InFrame property.

GraphPlane - class freegraph.GraphPlane.

GraphPlane is a X-Y or cartesian coordinate plane which draws the axis and a list of GraphPlaneItems (typically instances of ExpressionEvaluator).

GraphPlane() - Constructor for class freegraph.GraphPlane

constructs a new GraphPlane

GraphPlaneItem - interface freegraph.GraphPlaneItem.

instances of GraphPlaneItems are contained by GraphPlane.

graphPlaneItems() - Method in class freegraph.GraphPlane

returns an Enumeration of the GraphPlanItems

GraphPlaneListener - interface freegraph.GraphPlaneListener.

Listener interface for GraphPlane

I

init() - Method in class freegraph.GraphingApplet

initializes the Applet by calling internalInit which sets up the GUI

init() - Method in class freegraph.ExpressionParsingApplet

Initialize the applet by setting up the GUI.

init() - Method in class freegraph.EquationSolvingApplet

initializes the Applet by setting up the GUI

L

LEFT - Static variable in class freegraph.ExpressionItem.Parenthesis

indicats Left parenthesis

LN - Static variable in class freegraph.ExpressionItem.UnOperator

LOG - Static variable in class freegraph.ExpressionItem.UnOperator

M

main(String[]) - Static method in class freegraph.GraphingApplet

main(String[]) - Static method in class freegraph.EquationSolver

mouseClicked(MouseEvent) - Method in class freegraph.GraphPlane

mouseDragged(MouseEvent) - Method in class freegraph.GraphPlane

draws the zoom (invert) rectangle

mouseMoved(MouseEvent) - Method in class freegraph.GraphPlane

converts the position of the mouse to graph coordinates and fires event to GraphPlaneListeners.

mousePosMoved(double, double) - Method in class freegraph.GraphingApplet

called when the mouse moves on graph, the position is shown on the screen

mousePosMoved(double, double) - Method in interface freegraph.GraphPlaneListener

called when the position of the mouse moves

mousePressed(MouseEvent) - Method in class freegraph.GraphPlane

If the left mouse button is pressed, global variables are used to store the mouse location for use with a zoom.
If right mouse button is pressed, the popup menu is displayed.

mouseReleased(MouseEvent) - Method in class freegraph.GraphPlane

If a zoom rectangle is being drawn, the graph's axis are changed and the graph is updated.

MULT - Static variable in class freegraph.ExpressionItem.BiOperator

N

NEG - Static variable in class freegraph.ExpressionItem.UnOperator

newton(ExpressionEvaluator, ExpressionEvaluator, double, double, double, char) - Static method in class freegraph.EquationSolver

attempts to zero in on a solution using Newtons equation solving technique.

NoSolutionException - exception freegraph.NoSolutionException.

Exception used by EquationSolver to indicate that a Solution could not be found for the equation.

NoSolutionException(String) - Constructor for class freegraph.NoSolutionException

O

OPERATORS - Static variable in class freegraph.ExpressionItem.BiOperator

OPERATORS - Static variable in class freegraph.ExpressionItem.UnOperator

P

paint(Graphics) - Method in class freegraph.GraphPlane

paints the graph by drawing the axis and then drawing each GraphPlaneItem.

POW - Static variable in class freegraph.ExpressionItem.BiOperator

R

removeGraphPlaneItem(GraphPlaneItem) - Method in class freegraph.GraphPlane

removes a GraphPlaneItem

removeGraphPlaneListener(GraphPlaneListener) - Method in class freegraph.GraphPlane

removes a GraphPlaneListener

repeatBisection(ExpressionEvaluator, ExpressionEvaluator, double, double, double, char) - Static method in class freegraph.EquationSolver

attempts to solve the equation expr1=exrp2 using bisection repeatedly by moving trying various starting points.

repeatNewton(ExpressionEvaluator, ExpressionEvaluator, double, double, double, char) - Static method in class freegraph.EquationSolver

attempts to solve the equation expr1=exrp2 using Newton's method and repeatedly moving to different starting points looking for an answer.

reset() - Method in class freegraph.GraphPlane

resets the GraphPlane to its default values

RIGHT - Static variable in class freegraph.ExpressionItem.Parenthesis

indicats Right parenthesis

ROOT - Static variable in class freegraph.ExpressionItem.BiOperator

S

setColor(Color) - Method in class freegraph.ExpressionEvaluator

sets the color of the expression.

setExpression(String) - Method in class freegraph.ExpressionEvaluator

sets the expression for the evaluator.

setInfixExpression(String) - Method in class freegraph.ExpressionStack

sets the infix expression for the stack.

setValue(char, double) - Method in class freegraph.VariableValues

sets the value of the variable ch.

SIN - Static variable in class freegraph.ExpressionItem.UnOperator

SQR - Static variable in class freegraph.ExpressionItem.UnOperator

SQRT - Static variable in class freegraph.ExpressionItem.UnOperator

SUBTR - Static variable in class freegraph.ExpressionItem.BiOperator

T

TAN - Static variable in class freegraph.ExpressionItem.UnOperator

toString() - Method in class freegraph.ExpressionItem.Number

toString() - Method in class freegraph.ExpressionItem.Variable

toString() - Method in class freegraph.ExpressionItem.Parenthesis

toString() - Method in class freegraph.ExpressionItem.BiOperator

toString() - Method in class freegraph.ExpressionItem.UnOperator

toString() - Method in class freegraph.ExpressionEvaluator

V

VariableValues - class freegraph.VariableValues.

class used to hold a set of doubles for variables A-Z

VariableValues() - Constructor for class freegraph.VariableValues

X

xintercept(ExpressionEvaluator, ExpressionEvaluator, double, double, double, char) - Static method in class freegraph.EquationSolver

returns the X-Intercept of the tangent to the equation expr1=expr2 at value.

XMAX_DEFAULT - Static variable in class freegraph.GraphPlane

XMIN_DEFAULT - Static variable in class freegraph.GraphPlane

Y

YMAX_DEFAULT - Static variable in class freegraph.GraphPlane

YMIN_DEFAULT - Static variable in class freegraph.GraphPlane

Z

zoomin() - Method in class freegraph.GraphPlane

zooms out the graph

zoomout() - Method in class freegraph.GraphPlane

zooms in the graph

A B C D E F G I L M N O P R S T V X Y Z