Casio CFX-9970G Manual Calculations - Manual (Page 14)

48
k k k k k Coordinate Conversion
uuuuu
Rectangular Coordinates
uuuuu
Polar Coordinates
• With polar coordinates,
θ
can be calculated and displayed within a range of
–180
°
<
θ
< 180
°
(radians and grads have same range).
• Be sure to specify “Comp” for Calculation/binary, octal, decimal, hexadecimal
mode.
Example To calculate r and
θ °
when x = 14 and y = 20.7
Operation Display
!Z
cccc1
(Deg) J
K6
(
g
) 5 (ANGL) 6 (
g
)
1 (Pol()14 , 20.7 )w Ans
1 –24.989–
→
24.98979792 ( r )
2 – 55.928 –
→
55.92839019 (
θ
)
Example To calculate x and y when r = 25 and
θ
= 56
°
Operation Display
!Z
cccc1
(Deg) J
K6
(
g
) 5 (ANGL) 6 (
g
)
2 (Rec()25 , 56 )w Ans
1 –13.979–
→
13.97982259 ( x )
2 – 20.725 –
→
20.72593931 ( y )
k k k k k Permutation and Combination
uuuuu
Permutation
uuuuu
Combination
• Be sure to specify “Comp” for Calculation/binary, octal, decimal, hexadecimal
mode.
P.5
2 - 3
Function Calculations
n ! n !
n P r = ––––– n C r = –––––––
( n – r )! r ! ( n – r )!
P.5