Casio fx-4200P

@ Other Functions (Vv, x2, x71, x!, °V_, Ran#)
*The operations noted below are not possible in the BASE-N mode.
# Permutation (Pr), Combination (Cr)
«Total permutations *Total combinations |
'
{
Example
Operation
Displa:
nPr= me j nGr=—— | | ad
(n—r)!
ri(n—r)!
V2
+
V5
=
3.65028154
A285
ea
3.65028154
Example Operation Display 2? 4374.47 45° = 54 2h 3EAw ey
4 Gar) (9 FB 5S Gar) 9} GE 54,
Taking
any
four
out
of
ten
1
:
items and arranging them in . oe 12 036 eas
a row, how many different ar- 1.0 fA) >) 4 Ee] 5040. plea WS Elea4 OIE 12:
rangement are possible? 304
10P 4 = 5040
8i=1x2x3x.... x 8) 8 i ENE 40320.
How
many
even
4-digit
num-
=
40320
bers, in which no two digits
are identical, can be formed 386 x 42x 49 = 42 GATATO 36 £9 42 £349
aoe the numbers 1 through 7 G4 E337 360. Dea ; 42.
7Pax 3 = 360 Random number generation
(pseudo-random
number
from
:
If
any
four
items
are
removed
0.000
to
0.999)
Gur)
(an)
GH)
|
(Ex.)
0.792
from 10 items, how many
different combinations are 10 Gi Ee} 4 a) 210.
possible? f3?—5? + 37+ 4?=17 00 136 eg 5 a
10Ca= 210 BOMB O3 wz
4 Gh Oe 17.
In a class of 15 boys and 10
girls, how many different _ fi —sin?40° = 0.7660444431 | feal@) > “fy”
combinations are possible if =cos40° FICO 1 ECOG 400
5-member groups are formed, — ary
in which at least one member 25 Grr) EC) 5 Bd 15 Gey) (Proohiot-cost=N1=sin78) ‘ HOG) | 0.7660444431
per group must be a girl? a5 Ge 50127. (Continuing) Gt eed (to) xe 40.
asCs ~- 1sCs = 50127 i 401.4 :
atgtata 2 GA IED 4 Gare
FE ee eal + Lo lcra aire +2)
=
0.5430803571
GARI)
|
0.5430803571
30>:
: