Casio FX-CG20 User Manual

46
Description Command Syntax Function Sequence
Absolute value of the number X. Abs X
[
OPTN
] [
F8
] (
t
) [
F4
] (
NUM
) [
F1
]
Number of items in list X Dim List X
[
OPTN
] [
F1
] (
LIST
) [
F3
]
Binomial coefficient Number nCr Number
[
OPTN
] [
F8
] (
t
) [
F3
] (
PROB
) [
F3
]
The determinant of Matrix X Det Matrix X
[
OPTN
] [
F2
] (
MAT
) [
F3
]
Diagonalize Matrix X Rref Matrix X
[
OPTN
] [
F4
] (
MAT
) [
F8
] (
t
) [
F5
]
Differential d/dx (Term, Differentiation position)
[
OPTN
] [
F4
] (
CALC
) [
F2
]
Dimensions of Matrix X Dim Matrix X
[
OPTN
] [
F2
] (
MAT
) [
F8
] (
t
) [
F4
]
Triangular shape of the Matrix X Ref Matrix X
[
OPTN
] [
F2
] (
MAT
) [
F8
] (
t
) [
F4
]
Unit matrix: Creating a K x k identity
matrix
Iden K
[
OPTN
] [
F2
] (
MAT
) [
F8
] (
t
) [
F1
]
Factorials X !
[
OPTN
] [
F8
] (
t
) [
F3
] (
PROB
) [
F1
]
Activate function term Y (e.g. Y1 or Y2)
[
VARS
] [
F4
] (
GRPH
) [
F1
]
Solve equation Solve (equation, initial value)
SolveN (equation
[
, Variable
]
)
[
OPTN
] [
F4
] (
CALC
) [
F1
]
Greatest common divisor (GCD) of the
whole numbers, A and B
GCD (A, B)
[
OPTN
] [
F8
] (
t
) [
F4
] (
NUM
) [
F8
]
(
t
) [
F2
]
Hyperbolic functions, e.g. sin Sinh
[
OPTN
] [
F8
] (
t
) [
F2
] (
HYP
) [
F1
]
Integer (part of number X) IntX
[
OPTN
] [
F8
] (
t
) [
F4
] (
NUM
)
Integral ∫dx, (Term, lower bound, upper bound)
[
OPTN
] [
F4
] (
CALC
) [
F4
]
Lowest common multiple (LCM) of the
whole integers A and B
LCM (A, B)
[
OPTN
] [
F8
] (
t
) [
F4
] (
NUM
)
[
F8
] (
t
) [
F3
]
Create List X { Value, Value,…,Value} List X
[
]
Accumulate list entries: Generate list
from the partial sums of the list X
Cum1 List X
[
OPTN
] [
F1
] (
LIST
) [
F8
] (
t
)
[
F8
] (
t
) [
F3
]
Create Matrix and assign matrix
variables X
[
…
]
- Mat X
[
F4
] (
MATH
) [
F1
] (
MAT
)
Median of the elements from List X Med (List X)
[
OPTN
] [
F1
] (
LIST
) [
F8
] (
t
) [
F4
]
Mean of the elements from List X Mean (List X)
[
OPTN
] [
F1
] (
LIST
) [
F8
] (
t
) [
F4
]
Zero Charge Solve (Term
[
, initial value
]
)
SolveN (Term
[
, Variable
]
)
[
OPTN
] [
F4
] (
CALC
) [
F1
]
Permutation Number nPr Number
[
OPTN
] [
F8
] (
t
) [
F3
] (
PROB
) [
F2
]
Raising a matrix, e.g. square Matrix X^2
[
^
]
Overview of Selected Commands
Commands and functions, that are not found on the first, second
or third assignment of keys, are called using the
[
OPTN
]
button.
Note: Command input using
[
ALPHA
]
and letters will lead to an
error message!

Casio FX-CG20 Specifications

General

Type	Graphing
Form factor	Pocket
Product color	Black
Digits	- digits
Display tilting	No
Display number of lines	8 lines
Display number of characters	21
Flash memory	16 MB
Internal memory	0.01562 MB
Battery type	AAA
Power source	Battery
Battery technology	Alkaline
Number of batteries supported	4
USB port	Yes

Weight and Dimensions

Weight	230 g
Dimensions (WxDxH)	89.5 x 20.6 x 188.5 mm