User Manual

20090601
S
Using the
t
Button to Toggle between the Standard Mode and Decimal
Mode
You can tap
t
to toggle a displayed value between Standard mode and Decimal mode
format.
Note that tapping
t
toggles the format of a displayed value. It does not change the current
Standard mode/Decimal mode setting.
Example 1:
Tapping
t
while the ClassPad is configured for Standard mode (Normal 1)
display
Expression ClassPad Operation Displayed Result
100 ÷ 6 = 16.6666666...
@??E
t
(Switches to Decimal mode format.)
16.66666667
t
(Switches back to Standard mode
format.)
50
3
Example 2:
Tapping
t
while the ClassPad is configured for Decimal mode (Normal 1)
display
Expression ClassPad Operation Displayed Result
2 + 2 = 3.414213562...

AA
t
(Switches to Standard mode format.)
2 + 2
t
(Switches back to Decimal mode format.) 3.414213562
S
Number of Decimal Places, Number of Significant Digits, Normal Display
Settings
The [Number Format] settings on the Basic Format dialog box (page 1-9-4) 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 1.25
E
+ 1
100 ÷ 6 = 16.6666666... 16.66666667 16.66666667 16.667 1.67
E
+ 1
1 ÷ 600 = 0.00166666... 1.666666667
E
–3 0.00166666666 0.002 1.67
E
– 3
10
11
÷ 4 = 2.5
E
+ 10 2.5
E
+ 10 2.5
E
+ 10 2.5
E
+ 10 2.50
E
+ 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 [Number Format]
settings, see “Basic Format Dialog Box” on page 1-9-4.
I
Complex Mode and Real Mode
The Complex mode is for complex number calculations, while the Real mode is limited to
calculations within the range of real numbers. Performing a calculation in the Real mode
that produces a result that is outside the range of real numbers causes an error (Non-Real in
Calc).
2-2-7
Basic Calculations