E-14, D/dx – Casio FX-100MS User Manual
Page 15

E-14
(2
x
2
+ 3
x
+ 8)
dx
= 150.6666667 (
n
= 6)
f 2 S)(X) x+ 3 S)(X)
+ 8
, 1 , 5 , 6 )=
150.6666667
To determine the derivative at point
x
= 2 for the function
y
=
3
x
2
– 5
x
+ 2, when the increase or decrease in
x
is
Δ
x
= 2 ×
10
–4
1f(
d/dx
) 3
S)(X) x- 5 S)(X)
+ 2
, 2 , 2 E- 4 )=
7.
To convert rectangular coordinates (
'
2 ,
'
2 ) to polar
coordinates
v
1+(Pol() 1 2 ,1 2 )=
r
= 2.
tt(F)
= 45.
• Press
tc(E) to display the value of
r
, or
tt(F) to
display the value of
.
To convert polar coordinates (
'
2 , 45°) to rectangular
coordinates
v
1-(Rec ( ) 1 2 , 45 =
x
= 1.
tt(F)
y
= 1.
• Press
tc(E) to display the value of
x
, or
tt(F) to
display the value of
y
.
(5 + 3) ! = 40320 ( 5
+ 3 )1E(
x
!)
=
40320.
To obtain two random three-digit integers
1000
1.(Ran#) =
459.
=
48.
(Actual results will differ.)
To determine the number of permutations and combinations
possible when selecting four people from a group of 10
Permutations:
10
1*( n P r ) 4 =
5040.
Combinations:
10
1/( n C r ) 4 =
210.
To perform the following calculations when Fix 3 is selected
for the number of display digits: 10 ч 3
Ч 3 and Rnd(10 ч 3) Ч
3
N 1(Fix) 3
10
/ 3 * 3 =
10.000
10
/ 3 =10(Rnd) * 3 =
9.999
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