2-10 Using Verify

Verify provides you with a powerful tool to check whether your numeric or algebraic manipulations are correct. Verify will assist you in simplifying an expression by verifying whether or not the expression you entered is equivalent to your original expression. If it is, you will get a pleasant response; if not, you will need to correct your mistake before continuing.

uTo start up Verify1. On the work area window, tap the right most
toolbar down arrow button.

 

2. On the icon palette that appears, tap W.Left-side expression

 

Right-side expression

uVerify window menus and buttons

 

• Clear the Verify window ...............................................................................File - New, Edit - Clear All or O

 

• Open or save a file............................................................................................

File - Open, File - Save or {

 

• Specify the complex number calculation range for Verify ...........................................................................

T

 

• Specify the real number calculation range for Verify ..................................................................................

Y

• Specify the positive real number calculation range for Verify .....................................................................

U

• Verify the equation starting from the first line..............................................................................................

!

• Verify the equation starting from the current line ........................................................................................

"

 

 

 

 

 

 

0243

To factor 50 completely

 

 

 

Continuing from example

 

, to rewrite x2 + 1 in factored form

 

0244

0243

 

2-11 Using ProbabilityYou can use Probability to simulate the following.

•The die faces that will appear when a single die is thrown a specified number of times (1 Die)

•The sum of the data of dice faces that will appear when a pair of dice is thrown a specified number of times (2 Dice +)

•The product of the data of dice faces that will appear when a pair of dice is thrown a specified number of times (2 Dice ￿)

•When any number of balls labeled A, B, C, D, E, and F are placed into a box, data about how many times each ball will be drawn within a specified number of draws (Container)

You can specify any integer from 1 to 20 as the number of die faces.Probability window(Trial information and result)Probability dialog box

Chapter 2: Main Application

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