Hp Prime Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 324)

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101

318 Functions and commands

Combination The number of combinations (without regard to order) of n

things taken r at a time.

COMB(n,r)

Example: Suppose you want to know how many ways five

things can be combined two at a time.

COMB(5,2)returns 10.

Permutation Number of permutations (with regard to order) of n things

taken r at a time: n!/(n–r)!.

PERM (n,r)

Example: Suppose you want to know how many permutations

there are for five things taken two at a time.

PERM(5,2)returns 20.

Random

Number Random number. With no argument, this function returns a

random number between zero and one. With one argument

a, it returns a random number between 0 and a. With two

arguments, a, and b, returns a random number between a

and b. With three arguments, n, a, and b, returns n random

number between a and b.

RANDOM

RANDOM(a)

RANDOM(a,b

RANDOM(n,a,b)

Integer Random integer. With no argument, this function returns either

0 or 1 randomly. With one integer argument a, it returns a

random integer between 0 and a. With two arguments, a,

and b, returns a random integer between a and b. With three

integer arguments, n, a, and b, returns n random integers

between a and b.

RANDINT

RANDINT(a)

RANDINT(a,b)

RANDINT(n,a,b)

Normal Random real number with normal distribution N(,).

RANDNORM(,)

1 2 ... 319 320 321 322 323 324 325 326 327 328 329 ... 615 616

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Hp Prime Graphing Calculator Manuel d'utilisateur Page 324

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