Casio ALGEBRA FX - Manual (Page 4)

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P button
5. Press m.
• If the Main Menu shown to the right is not on the display,
press the P button on the back of the calculator to
perform memory reset.
6. Use the cursor keys ( f, c, d, e) to select the SYSTEM icon and press
w, then press 2( ) to display the contrast adjustment screen.
7. Adjust the contrast.
• The e cursor key makes display contrast darker.
• The d cursor key makes display contrast lighter.
• 1(INIT) returns display contrast to its initial default.
8. To exit display contrast adjustment, press m.