Casio FX-95 User's Guide download pdf (Page 25)

E-24



+ 3 x

– x 0 

(INEQ)(aX

+ bX

+ cX + d)

(aX

+ bX

+ cX + d  0)

3  3  1 



CCC

Note: Solutions are displayed as shown

here when Linear Display is selected.

Special Solution Display

• “All ” appears on the solution screen when the solution of an inequality is

all numbers.

>0 

(INEQ)(aX

+ bX + c)

(aX

+ bX + c > 0)

1  0  0 

• “NOT FOUND” appears on the solution screen when no solution exists for

an inequality (such as X

< 0).

Ratio Calculations (RATIO)

(fx-95ES PLUS only)

The RATIO Mode lets you determine the value of X in the ratio expression

a : b = X : d (or a : b = c : X) when the values of a, b, c and d are known. The

following shows the general procedure for using RATIO.

1. Press (RATIO) to enter the RATIO Mode.

2. On the menu that appears, select the (a:b=X:d) or (a:b=c:X).

3. On the Coefficient Editor screen that appears, input up to 10 digits for each

of the required values (

a, b, c, d).

• To solve 3 : 8 = X : 12 for X, for example, press  in step 1, and

then input the following for the coefficients (

a = 3, b = 8, d = 12):

3  8  12 .

• To change a coefficient value you already have input, move the cursor

to the appropriate cell, input the new value, and then press .

• Pressing  will clear all of the coefficients to zero.

MathMath

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Casio FX-95 User's Guide Page 25

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