Casio PV-250X Manuel utilisateur

111

The pop up tools of the PV Unit provide you with instant access to a calculator,

a calendar, and a clock whenever you need them.

Chapter

9Pop Up Tools

Displaying the Pop Up Tool Screen ............................................. 112

Using the Clock Screen................................................................. 112

To display the clock screen....................................................................... 113

To make one of the clocks the main clock................................................ 113

To select a time zone city ......................................................................... 114

To switch between standard time and daylight saving time (DST) .......... 114

Using the Calculator Screen......................................................... 115

To display the calculator ........................................................................... 115

Calculator Keys ........................................................................................ 116

To perform calculations ............................................................................ 117

To perform constant calculations.............................................................. 118

To correct entries during calculations....................................................... 118

About calculation errors ........................................................................... 119

To clear an error........................................................................................ 119

NextAppointment Screen............................................................. 120

To display the next appointment screen.................................................... 120

112

Displaying the Pop Up Tool Screen

While a screen that has a Tools button in its upper right-hand corner is on the

display, tap Tools to display the pop up tool screen.

345

Important!

• You can use only one pop up tool at a time. This means the calculator screen

will not appear while the clock screen is on the display, etc.

Using the Clock Screen

The clock screen shows two clocks and the cities whose times are displayed on

the clocks. It also shows whether daylight saving time (summer time) is set for

either clock, and the date in the city of the main (currently selected) clock.

1Clock

(Tap to display date/time

setting screen on page 166.)

2Home city

3Clock icon

4Calendar icon

5Calculator icon

6Alarm indicator

(Tap to display alarm

setting screen on page 168.)

7Current date

8Current time

113

Chapter 9 Pop Up Tools

To display the clock screen

On the pop up tool screen, tap the icon.

• Holding the stylus on Clock 1 or Clock 2 causes the date and time for

the clock to appear in the first two lines of the clock screen.

• You can close the clock screen by tapping .

To make one of the clocks the main clock

1. While the clock screen is on the display, tap the button ( ) to the left of

the city name whose clock you want to make the main clock.

2. In response to the confirmation message that appears, tap Set to change

the main clock or Esc to close the dialog box without doing anything.

Important!

• The time being kept by the main clock affects all alarms and other date-

sensitive data currently in PV Unit memory. If you set an alarm to sound

at 11:00 a.m. while Tokyo time is being used for the main clock, changing

to New York time, for example, will cause the alarm to sound at 11:00

a.m. New York time.

• Changing the main clock automatically resets the seconds count of the

clock to 00.

1Date in city of main clock

2Time in city of main clock

3Clock 1 city name

4Main clock

5Clock 2 city name

6Clock 1

7Alarm indicator

(Tap to display alarm setting

screen on page 168.)

8Daylight saving time indicator

9Clock 2

114

To select a time zone city

1. On the clock screen, tap the city name you want to change.

2. In the index at the bottom of the display, use the stylus to tap the letter

that begins the name of the city you want to select.

3. Highlight the name of the city you want to select by tapping it or using

the Action control.

4. When the city you want is highlighted on the screen, tap Set to register

it and close the setting screen.

To switch between standard time and daylight saving time (DST)

On the clock screen, tap on the DST (summer time) setting of one of the

clocks to toggle it between DST on ( ) and DST off (no indicator).

DST (summer time) setting

115

Chapter 9 Pop Up Tools

Using the Calculator Screen

This screen provides you with a 12-digit calculator that can perform a variety of

calculations.

To display the calculator

On the pop up tool screen, tap the icon.

• You can also display the calculator in certain modes by tapping the

button in the data input tool bar.

• You can close the calculator screen from the display by tapping .

116

Calculator Keys

The following describes the functions of the calculator screen keys.

• Use the number keys to input values.

•MC clears calculator memory.

•MR recalls calculator memory contents.

•M– subtracts the currently displayed value from memory contents.

Tapping M– in place of =at the end of a calculation subtracts its results

from memory contents.

•M+ adds the currently displayed value to memory contents. Tapping

M+ in place of =at the end of a calculation adds its results to memory

contents.

• Tap +, –, #, and $to input the corresponding arithmetic operation.

•=executes the calculation and displays its results.

•AC clears the calculator (except the calculator memory).

•Cclears the display without clearing calculator memory.

• Use q for square root calculations.

• Use %for percent calculations.

• Tapping ➡shifts the displayed value to the right, cutting off the rightmost

digit.

• If you displayed the calculator by tapping the button in a data input

tool bar, tapping copies the calculation result. Edit – Paste pastes

the copied result at the current cursor location.

117

Chapter 9 Pop Up Tools

a0.

53 + 123 – 63 = 53q123w63u113.

963 ·(23 – 56) = 23w56e963u– 31’779.

(56 ·3 – 89)

‚

5.2 + 63 = 56e3w89r5.2

q63u78.1923076923

1234567890 ·741852 = 1234567890e741852uE 915.866658332

C915.866658332

a0.

·5= 3ye5u8.6602540378

12 + 23 = 23qq12uK + 35.

45 + 23 = 45uK + 68.

78 + 23 = 78uK + 101.

7 – 5.6 = 5.6ww7uK – 1.4

2 – 5.6 = 2uK – – 3.6

2.3 ·12 = 12ee2.3uK·27.6

4.5 ·12 = 4.5uK·54.

‚

9.6 = 9.6rr45uK

‚

4.6875

‚

9.6 = 78uK

‚

8.125

12% of 1500 1500e12t180.

Percentage of 660 against 880 660r880t75.

15% add-on of 2500 2500e15tq 2’875.

25% discount of 3500 3500e25tw 2’625.

480q25t640.

w160.

100w80t25.

80 ·9 = 720 {80e9|M 720.

–) 50 ·6 = 300 50e6}M 300.

20 ·3 = 60 20e3|M 60.

480 \M 480.

What will the selling price and profit

be when the purchasing price of an

item is $480 and the profit

rate to the selling price is 25%?

If you made $80 last week and $100

this week, what is the percent

increase?

To perform calculations

118

To perform constant calculations

1. On the calculator screen, input the first value of the operation, tap an

arithmetic operator key twice, and then input the second value of the

operation.

• You can perform a constant calculation using +, –, #, or $.

• The first value you input (the one to the left of the arithmetic operator)

is the one that will be used as the constant.

• Tapping an arithmetic operator key twice causes the indicator Kto appear

on the display to indicate that a constant calculation is being performed.

2. Tap =to display the result of the operation.

• Inputting 4##2 = would produce a result of 8.

3. Tap =again to multiply the result by the constant.

• Tapping =again with the example shown under step 2 would produce a

result of 32 (8 ·4).

• Each subsequent tap of =multiplies the last result obtained by the

constant. Continuing with the above example, tapping =would produce

the following results: =128 (32 ·4), =512 (128 ·4), =2048 (512 ·4),

and so on.

To correct entries during calculations

• If you enter a wrong value, tap Cto clear the value and then input the

correct one.

• If you tap the wrong arithmetic key (+, –, #, $), simply tap the correct

arithmetic key before inputting anything else.

119

Chapter 9 Pop Up Tools

About calculation errors

An error indicator appears on the display and further calculation becomes

impossible whenever an error occurs.

Any of the following conditions produces an error.

• Whenever the number of digits in the mantissa of an intermediate or

final result exceeds 12

• Whenever the number of digits in the mantissa of a value in calculator

memory exceeds 12 digits. In this case, the PV Unit automatically retains

the last value stored that did not exceed 12 digits.

• Division by zero

• Attempting to calculate the square root of a negative value

To clear an error

Tap Cto clear an error and continue with the same calculation from the

point immediately before the error occurred.

To clear the entire calculation and start again, tap AC.

Error indicator

120

Next Appointment Screen

This screen shows a display of the current month, along with details about the

next appointment scheduled from the current time and date, as kept by the main

clock (if any).

To display the next appointment screen

On the pop up tool screen, tap the icon.

• The current month is determined in accordance with the time and date

as kept by the main clock.

• The next appointment details area shows the next Schedule item or

Reminder item that includes time data. It does not show any Schedule

or Reminder items that do not include time data.

• The next appointment details area is blank when there is no future

appointment scheduled.

• You can close the next appointment screen by tapping .

1Current month

2Date for which appointment

is scheduled

3Next appointment details

4Next appointment

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