Casio FX-CG20 Manual

A SERVICE OF

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CASIO

1-26

Example 2 In the Graph mode, input the function

y

=

x

2

−

x

−1

d

x

∫

x

4

1

2

1

0

and then

graph it.

Make sure that initial default settings are configured on the View Window.

mGraph K2(CALC) 3( ∫ d

x)

bveevx-bvce

v-beaevw

6(DRAW)

• Math Input/Output Mode Input and Result Display in the Equation Mode

You can use the Math input/output mode in the Equation mode for input and display as shown

below.

• In the case of simultaneous equations ( 1(SIMUL)) and high-order equations ( 2(POLY)),

solutions are output in natural display format (fractions, ', π are displayed in natural format)

whenever possible.

• In the case of Solver ( 3(SOLVER)), you can use Math input/output mode natural input.

Example To solve the quadratic equation

x

2

+ 3 x + 5 = 0 in the Equation mode

mEquation !m(SET UP)

cccc(Complex Mode)

2(a+b

i ) J

2(POLY) 1(2) bwdwfww