Calculations Using Various Function Keys - Sharp EL-9900 Operation Manual

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Note:

3. Calculations Using Various Function Keys

Use the calculator's function keys to simplify various calculation tasks. The calculator's
Basic Keyboard is specially designed to help you learn/solve fraction calculations
easier.
Q
Chapter 3: Basic Calculations — Basic Keyboard
Enters an open parenthesis. Use with ")" as a pair, or the calcula-
tion will result in an error.
Enters a closing parenthesis; a parenthesis left open will result in
an error.
Example
+
• Calculate (4 6)
( 4 + 6 ) =
5 E
Functions, such as "round(",
automatically include an open parentheses. Each of these
functions needs to be closed with a closing parenthesis.
Simplifies a given fraction stored in the ANSWER memory.
(Set the SIMPLE mode to Manual in the SETUP menu to use this
key.)
Specifying no common factor
Simplify the fraction using the lowest common factor other than 1.
Example
1 b 12 ' + 5
b 12 E
Q E (Simplified by 2,
the lowest common factor of 12
and 6.)
Q E (Simplified by 3,
the lowest common factor of 6
and 3.)
÷
5.
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