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Casio FXCG 20 Manual

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CASIO
1-14
Function/Symbol Key Operation Bytes
Parentheses
( and )
1
Braces (Used during list input.)
!*( { ) and !/( } )
1
Brackets (Used during matrix input.)
!+( [ ) and !-( ] )
1
*
1
Mixed fraction is supported in the Math input/output mode only.
*
2
For information about function input from the MATH function menu, see “Using the MATH
Menu” described below.
*
3
Tolerance cannot be specified in the Math input/output mode. If you want to specify
tolerance, use the Linear input/output mode.
*
4
For Σ calculation in the Math input/output mode, the pitch is always 1. If you want to specify
a different pitch, use the Linear input/output mode.
*
5
This is the number of bytes for a 2 × 2 matrix.
u Using the MATH Menu
In the Run-Matrix mode, pressing 4(MATH) displays the MATH menu.
You can use this menu for natural input of matrices, derivatives, integrals, etc.
• { MAT } ... {displays the MAT submenu, for natural input of matrices}
• { 2 × 2 } ... {inputs a 2 × 2 matrix}
• { 3 × 3 } ... {inputs a 3 × 3 matrix}
• {
m × n } ... {inputs a matrix with m lines and n columns (up to 6 × 6)}
• { log
a
b } ... {starts natural input of logarithm log
a
b}
• { Abs } ... {starts natural input of absolute value |X|}
• { d / dx } ... {starts natural input of first derivative
dx
d
f
(x)
x = a
}
• { d
2
/ dx
2
} ... {starts natural input of second derivative
dx
2
d
2
f(x)
x = a
}
• { ∫ dx } … {starts natural input of integral
f(x)dx
a
b
}
• { Σ ( } … {starts natural input of Σ calculation
f(x)
x=α
β
α
Σ
}
… 21 …


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