Rectangular-Polar Coordinate Conversion - Casio fx-570ES User Manual

Σ
k
Calculations
Σ
With (, you can obtain the sum of an input
specific range.
formula.
Σ
f x a b
( ( ), , ) =
f x
( ): Function of X (All non-X variables are treated as
constants.)
a
: Calculation range start point
b
: Calculation range end point
are integers in the range of –1 × 10
a b
• and
10
1 × 10
.
• The calculation step is fixed at 1.
∫
d/dx
• (, (, Pol(, Rec(, and
• Pressing A will interrupt an ongoing
Appendix <#035>
k Rectangular-Polar Coordinate Conversion
Rectangular
Coordinates (Rec)
• Coordinate conversion can be performed in the COMP, STAT,
MATRIX, and VECTOR calculation modes.
Converting to Polar Coordinates (Pol)
Pol(X, Y) X: Specifies the rectangular coordinate X value
Y: Specifies the rectangular coordinate Y value
• Calculation result
• Calculation result
unit.
• Calculation result
to Y.
Converting to Rectangular Coordinates (Rec)
θ
r r
Rec( , )
θ
• Input value
calculator's default angle unit setting.
• Calculation result
to Y.
Σ
calculations are performed using the following
f a f a
( ) + ( + 1) + .... +
Σ
Σ
(X + 1, 1, 5) = 20
θ
is displayed in the range of –180° <
θ
is displayed using the calculator's default angle
r
is assigned to variable X, while
r
: Specifies
θ
: Specifies
θ
is treated as an angle value, in accordance with the
x
is assigned to variable X, while
f b
( )
( cannot be used within
Σ
Polar Coordinates
(Pol)
value of polar coordinate
value of polar coordinate
E-37
f x
( ) expression for a
10
f x
( ),
calculation.
θ
y
a b
<
< <
a b
, or .
θ
< 180°.
is assigned
is assigned