Sharp EL-9900 User Manual

3. Enter the values, as shown

in the screen to the right.

Pressing 

E at each

entry will store the value,

and sets the cursor at the

next entry area.

4. When done, press 

@ h to execute the calculation.

The results (i.e. the x-intersects) will be displayed.

5. To enter a different set of

numbers for a, b, and c,

press 

C to go back to

the previous screen. To

select a different degree of

polynomial, press 

@

V to go back to the TOOL menu.

•

If the solution cannot be displayed on the screen, a symbol will

appear at the bottom left corner of the screen. Press 

} to

scroll the screen.

Use the SETUP menu to verify the calculator’s current setup for mathematical and

scientific base units and the global editing style, as well as to change each

configuration.

It is very important that each item within this menu is properly set

up, or calculation results may not turn out as expected. For

example, entering 1 

×

90 in the Calculation screen will result

as either “1” (when set to degree mode), or “0.893996663” (when

set to radian mode), or “0.98768834” (when set to gradient

mode). Refer to the “SETUP Menu” in Chapter 2 to learn about

each setup configuration.