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Coordinate Conversions
Conversions can be performed between rectangular and polar coordinates.
Y
y
0
Rectangular coordinate
• Before performing a calculation, select the angular unit.
• The calculation result is automatically stored in memories.
• Value of r: R memory
• Value of θ: θ memory
• Value of x: X memory
• Value of y: Y memory
• r and x values are stored in the last answer memory.
Example
x = 6
r =
y = 4
= [ ]
r = 14
x =
= 36[ ]
y =
Y
P (x, y )
X
0
x
Polar coordinate
Key operations
j 6 , 4
@ u
14 , 36
@ E
Chapter 3: Scientific Calculations
P (r, )
r
X
Result
r = 7.211102551
= 33.69006753
x = 11.32623792
y = 8.228993532
47
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