SR8B2-E.RTF SIZE : 140x140mm SCALE 2:1
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E2-
BASIC DEFINITIONS
The Keys
To keep your calculator as compact as possible, some keys have
more than one function. You can change the function of a key by
pressing another key first, or by setting the calculator in a certain
mode.
The following pages give you more detailed explanation of each key's
use and function.
2ndF
[SHIFT] Second Function Select Key
Some keys have a second function inscribed above them (for example,
1/x is above x
2
). To perform this second function, press [
SHIFT
]. "
2F
"
appears in the display. Then press the key.
Example:
To calculate the reciprocal of 5, press [
5
] [
SHIFT
] [
1/x
]. The
display shows
0.2
. In this manual, we refer to the key by the desired
function. So, the example would be shown as [
5
] [
SHIFT
] [
1/x
].
General Keys
[0] - [9] [ • ] Data Entry Keys
Press these keys in their logical sequence to enter numbers.
[+], [
−
], [x], [
÷
], [=] Basic Calculation Keys
Press these keys in their logical sequence for addition, subtraction,
multiplication, division, and to display answers.
[ON/C] Power ON/Clear Key
Press [
ON/C
] to turn on the calculator and to clear everything except
the contents of the memory, constant memory (Ka, Kb), and program
memory. It also overrides the auto power-off function.
[CE] Clear Entry Key
Press [
CE
] to erase incorrect entries.
[+/
−
] Sign Change Key
Press [
+/
−
] to change the displayed number from positive to negative
or from negative to positive. If you press [
+/
−
] after pressing [
EXP
], the
sign of the exponent changes.
Memory Keys
[MR] Memory Recall Key
Press [
MR
] to display the contents of the memory.
[X
Æ
M] Memory Store Key
Press [
X
Æ
M
] to store the displayed value into memory. Any previous
value in memory is automatically erased.
[M+] Memory Plus Key
Press [
M+
] to total the current calculation and add the result to the
value already in memory.
