Texas Instruments TI-83 Manual Book page 378

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