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
re^qiSets the mode to polar
complex number mode (re^qi).
† z
re^qi1-12
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 nRestores all settings stored in
the graph database variable
GDBn.
y [DRAW]
STO
4:RecallGDB 8-20
RecallPic nDisplays the graph and adds
the picture stored in Picn.
y [DRAW]
STO
2:RecallPic 8-18
complex value 4Rect Displays complex value or list
in rectangular format.
CPX
6:4Rect 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