Sharp EL-9900 Operation Manual page 48

Chapter 3: Basic Calculations — Basic Keyboard
b
a
Note:
,
R
38
Enters a fraction, setting the preceding number as its numerator.
* If the calculator is set to one-line mode, then " ¬ " will be entered
instead. For example, "2 ¬ 5" indicates "
Example
2 3
+
• Calculate
5 4
2 b 5 ' + b
3 ' 4 ' E
Enters an exponent, setting the preceding number as its base.
Example
• Raise 4 to the 5th power. (= 1024)
4 a 5 E
When no base value is entered, "a
number areas left blank.
C a ; 4 ' 5 E
When calculating x to the power of m-th power of n, enter as
follows;
3 2
• Calculate 2 (= 512)
2 a 3 a 2 E
The above calculation is interpreted as 2
If you wish to calculate (2
) a 2 E.
Enters a comma " , " at the cursor. A comma is required in some
of the MATH functions. For more information, refer to the next
section "Calculations Using MATH Menu Items" in this chapter.
Stores a number in a variable.
Example
• Let A = 4, and B = 6.
+
Calculate A B.
4 R A A E
6 R A B E
A A + A B E
.
b
" will be entered with both
, press ( 2 a 3 '
3 2 2
) = 8
2
".
5
3 2
= 2 9 .