Panasonic EB-X800 - Manual (Page 126)

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Tools
Calculator
The left side of the screen serves as a “tape” to record your
calculations.
Buttons on the screen
To select: [1929394] to move the box to the desired button 7 [0]
z
Main menu > Tools > Calculator
1. Enter the first number of the calculation,
which appears in field near bottom of the
screen
To enter a decimal: [r]
To erase digits: [x]
2. [1929394] to move the box to the
desired mathematic button 7 [0]
3. Enter the next number
4. To get the result, [1929394] to move the box to Equal button
7 [0]
To clear the screen:
[5] (Options) 7 [192] to scroll to Clear screen 7 [0]9[5]
(Select)
To view the last result:
[5] (Options) 7 [192] to scroll to Last result 7 [0]9[5] (Select)
Add Equal
Subtract Memory Save
Multiply Memory Recall
Divide Scroll screen up
Positive / Negative Scroll screen down