Before using the calculator, slide its hard case
downwards to remove it, and then afﬁx the hard
case to the back of the calculator as shown in the
Turning Power On and Off
Press to turn on the calculator. Press
(OFF) to turn off the calculator.
Note: The calculator also will turn off automatically after approximately 10
minutes of non-use. Press the key to turn the calculator back on.
Adjusting Display Contrast
Display the Contrast screen by performing the key operation below:
(SETUP)(Contrast). Next, use and to adjust contrast.
After the setting is the way you want, press .
Important: If adjusting display contrast does not improve display
readability, it probably means that battery power is low. Replace the battery.
Pressing the or key followed by a second key
performs the alternate function of the second key. The alternate
function is indicated by the text printed above the key.
Reading the Display
• If a or indicator appears on the right side of either the input
expression line or calculation result line, it means the displayed line
continues to the right. Use and to scroll the line display. Note that
if you want to scroll the input expression while both the and
indicators are displayed, you will need to press ﬁrst and then use
and to scroll.
• The table below describes some of the typical indicators that appear at
the top of the screen.
(1) Keycap function (2) Alternate function
Press and then the key to access the
Press and then the key to input the
applicable variable, constant, function, or