Casio FX-9860GII Calculator User Manual


 
1-21
Important!
• On a model whose operating system has been updated to OS 2.0 from an older OS version,
Math input/output mode input and result display are not supported in any mode except the
RUN • MAT mode and e • ACT mode.
u Math Input/Output Mode Input in the GRAPH Mode
You can use the Math input/output mode for graph expression input in the GRAPH , DYNA ,
TABLE , and RECUR modes.
Example 1 In the GRAPH mode, input the function
y
=
−−1
2
x
2
'
2
x
'
and then graph it.
Make sure that initial default settings are configured on the View
Window.
mGRAPH vxv!x( ') c
ee-vv!x( ') cee
-bw
6(DRAW)
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( dx)
bveevx-bvce
v-beaevw
6(DRAW)
• Math Input/Output Mode Input and Result Display in the EQUA Mode
You can use the Math input/output mode in the EQUA mode for input and display as shown
below.
• In the case of simultaneous equations ( 1(SIML)) 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(SOLV)), you can use Math input/output mode natural input.