Chapter 2: main application – Casio ClassPad II fx-CP400 Examples User Manual
Page 3
Chapter 2: Main Application
3
Chapter 2:
Main Application
0201
Calculation
Key Operation
56 × (–12) ÷ (–2.5) = 268.8
56*(z12)/(z2.5)E
2 + 3 × (4 + 5) = 29
2+3*(4+5)E
=
6/(4*5)E or N*6c4*5E
* The soft keyboard [Math1] key set
0202
2.54
× 10
3
= 2540
2.54e3E
1600
× 10
–4
= 0.16 bgaaE-e
w
0203
123 + 456 = 579
123+456E
789 – 579 = 210
789-DE
210
÷ 7 = 30
/7E
0204
x:=123E
0205
Tapping
u while the ClassPad is configured for Standard mode (Normal 1) display
Expression
ClassPad Operation
Displayed Result
100 ÷ 6 = 16.6666666...
100/6u
(Switches to Decimal mode format.)
16.66666667
u (Switches back to Standard mode format.)
50
3
0206
Tapping
u while the ClassPad is configured for Decimal mode (Normal 1) display
Expression
ClassPad Operation
Displayed Result
2 + 2 = 3.414213562...
!2e+2u
(Switches to Standard mode format.)
2 + 2
u (Switches back to Decimal mode format.)
3.414213562
0207
(Complex mode and Real mode calculation results)
Expression
Complex Mode
Real Mode
solve (
x
3
–
x
2
+
x
– 1 = 0,
x
)
{
x
= –
i
,
x
=
i
,
x
= 1}
{
x
= 1}
i
+ 2
i
3·
i
ERROR: Non-Real in Calc
(1 +
'
3
i
)(
Є
(2,45°))
Є(4,105)
ERROR: Non-Real in Calc
LY777Ex_E.indb 3
13/02/25 11:23