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How to use the CASIO FX-991ZA PLUS Scientific Calculator on the FX-ES PLUS Emulator Version 4.01

Mirriam Mafojane

mirriam@jamesralph.com

JAMES RALPH / CASIO

Access the Emulator via the shortcut on your desktop.

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NOW LETS START!!!

Solve for :

Remember the general expression is:

On the Emulator - Select

Select for equation MODE

Select for a quadratic equation.

To view the key sequence: right click on the calculator & select the

key log option.

Key in the coefficients: and the constant

Key sequence: 2=z3=z5==

=

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Select for equation MODE

Select for simultaneous equations with 2 unknowns.

3=2=z8=5=z4=z6==

To copy the screen: right click on the calculator & select the screen

capture option.

Screen Capture:

=

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Select for equation MODE

Select for a cubic equation.

2=3=z11=z6=

= =

Now let’s factorise the polynomial:

are the factors

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w1qi

Use the RIGHT arrow on the REPLAY button tomove around

Q)d$1$4=

qiQ)(Q)+1)$1$10=

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w2(8+6b)+(3+2b)=

sz2$Osz5=

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q225+7b)=

4+3bq23=

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