2-2-6

Basic Calculations

u Using the uButton to Toggle between the Standard Mode and Decimal

Mode

You can tap uto toggle a displayed value between Standard mode and Decimal mode format.

Note that tapping utoggles the format of a displayed value. It does not change the current Standard mode/Decimal mode setting.

Example 1: Tapping uwhile the ClassPad is configured for Standard mode (Normal 1) display

Expression

ClassPad Operation

Displayed Result

 

 

 

 

 

 

baa/gu

16.66666667

 

 

(Switches to Decimal mode format.)

 

100 ⎟ 6 = 16.6666666...

 

 

 

 

 

 

 

u(Switches back to Standard mode

50

 

 

 

 

format.)

 

3

 

 

 

 

 

 

Example 2: Tapping uwhile the ClassPad is configured for Decimal mode (Normal 1) display

Expression

ClassPad Operation

Displayed Result

 

 

 

 

9c)+cu

2 + 2

2 + 2 = 3.414213562...

(Switches to Standard mode format.)

 

 

 

 

 

u(Switches back to Decimal mode format.)

3.414213562

 

 

 

u Number of Decimal Places, Number of Significant Digits, Normal Display

Settings

The [Display] settings on the Basic Format dialog box (page 13-3-1) specify the number of decimal places, the number of significant digits, and the normal display setting for Main application Decimal mode calculation results. The following shows how calculation results appear under each setting.

Expression

Normal 1

Normal 2

Fix 3

Sci 3

 

 

 

 

 

50 ⎟ 4 = 12.5

12.5

12.5

12.500

1.25E + 1

 

 

 

 

 

100 ⎟ 6 = 16.6666666...

16.66666667

16.66666667

16.667

1.67E + 1

 

 

 

 

 

1 ⎟ 600 = 0.00166666...

1.666666667E –3

0.00166666666

0.002

1.67E – 3

 

 

 

 

 

1011 ⎟ 4 = 2.5E + 10

2.5E + 10

2.5E + 10

2.5E + 10

2.50E + 10

•The allowable range for the number of decimal places is Fix 0 to Fix 9, and the range for the number of significant digits is Sci 0 to Sci 9. For details about the [Display] settings, see “Basic Format Dialog Box” on page 13-3-1.

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