Sharp EL-9900 operation manual Example

Chapter 3: Basic Calculations — Basic Keyboard

eRecalls the previous entry. This is useful when you want to modify the previous entry, rather than reenter the whole expression over.

Example

•Calculate 4 ⋅ 6.

4 6 E

Next, calculate 4 ⋅ 8.

@eB8 E

Note: Executed expressions are stored in a temporary memory in the executed order. If the temporary memory is full, the oldest data is automatically deleted. Be aware that emay not function on these occasions.

A maximum of 160 bytes can be stored in the temporary memory. The capacity may vary when there are division codes between expressions.

When switching from equation edit mode to one-line edit mode in the SETUP menu, all the numerical and graph equations stored in the temporary memory are cleared and cannot be recalled.

$ Enters “pi”. Pi is a mathematical constant, representing the ratio of the circumference of a circle to its diameter.

Example

•Enter “2π”. (= 6.283185307) 2 @$E

jCalls up the CATALOG menu. From the CATALOG menu, you can directly access various functions in the menus.

•Functions are listed in alphabetic order.

•Move the cursor using the {/}keys and press E to access or enter the function.

•Press Aand an appropriate alphabetic key (A to Z) to navigate the catalog.

•Press A+ {/}to scroll the catalog page by page and press @+ {/}to jump to the beginning or the end of the catalog.

•See page 246 for details.

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