Calculator User Manual

342
Chapter 20: A to Z Function and Instruction Reference
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 342 of 118
randInt(
MATH PROB menu
(randIn shows on menu)
randInt(
lower
,
upper
,
#ofTrials
)
Returns a list of random integers bound by the specified
integers,
lower 
integer
 upper
. The
#ofTrials
is an
integer
‚
1 that specifies the number of integers
returned in the list.
A seed value stored to
rand
also affects
randInt(
.
1
¶
rand:randInt(1,10,3)
b
{8 9 3}
randInt(
lower
,
upper
)
Returns a single random integer.
0
¶
rand:randInt(1,10)
b
10
randM(
MATRX OPS menu
randM(
rows
,
columns
)
Returns a
rows
×
columns
matrix filled with random
one-digit integers (
L
9 to 9).
0
¶
rand:randM(2,3)
b
[[4
L
2 0]
[
L
7 8 8]]
randNorm(
MATH PROB menu
(randN shows on menu)
randNorm(
mean
,
stdDeviation
,
#ofTrials
)
Returns a list of random numbers from a normal
distribution specified by
mean
and
stdDeviation
. The
#ofTrials
is an integer
‚
1 that specifies how many
numbers are returned. Each returned number could be
any real number, but most will be within the interval:
[
meanN
3(
stdDeviation
),
mean
+3(
stdDeviation
)].
A seed value stored to
rand
also affects
randNorm(
.
1
¶
rand:randNorm(0,1,3)
b
{
L
.660585055265
L
1.0…
randNorm(
mean
,
stdDeviation
)
Returns a single random number.
0
¶
rand:randNorm(0,1)
b
L
1.58570962271