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A-22 Tables and Reference Information
8399APXA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:25 PM Printed: 02/19/01 1:40 PM
Page 22 of 58
Function or Instruction/
Arguments Result
Key or Keys/
Menu or Screen/Item
randInt(
lower,upper
[
,numtrials
]
)
Generates and displays a
random integer within a range
specified by
lower
and
upper
integer bounds for a specified
number of trials
numtrials
.
PRB
5:randInt(
2
-
22
randM(
rows
,
columns
)
Returns a random matrix of
rows
(
1
–
99
) ×
columns
(
1
–
99
).
MATH
6:randM(
10
-
13
randNorm(
m
,
s
[
,
numtrials
]
)
Generates and displays a
random real number from a
specified Normal distribution
specified by
m
and
s
for a
specified number of trials
numtrials
.
PRB
6:randNorm(
2
-
22
r
e
^
q
i
Sets the mode to polar
complex number mode (
r
e
^
q
i
).
†
z
r
e
^
q
i
1
-
12
Real
Sets mode to display complex
results only when you enter
complex numbers.
†
z
Real
1
-
12
real(
value
)
Returns the real part of a
complex number or list of
complex numbers.
CPX
2:real(
2
-
18
RecallGDB
n
Restores all settings stored in
the graph database variable
GDB
n
.
y
[
DRAW
]
STO
4:RecallGDB
8
-
20
RecallPic
n
Displays the graph and adds
the picture stored in
Pic
n
.
y
[
DRAW
]
STO
2:RecallPic
8
-
18
complex value
4
Rect
Displays
complex value
or list
in rectangular format.
CPX
6:
4
Rect
2
-
19
RectGC
Sets rectangular graphing
coordinates format.
†
y
[
FORMAT
]
RectGC
3
-
13
ref(
matrix
)
Returns the row-echelon form
of a
matrix
.
MATH
A:ref(
10
-
15