A–8 Tables and Reference Information
826DEC~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 2:20 PM Printed: 10/27/05 3:09
PM Page 8 of 58
Function or Instruction/
rguments Result
Key or Keys/
Menu or Screen/Item
End Identifies end o
For(,
If-Then-Else, Repeat, or While
loop.
CTL
7:End 16-12
Eng Sets engineering display mode.
z
Eng 1-10
Equ4String(Y= var,Strn) Converts the contents of a Y= va
to a string and stores it in Strn.
y [CATALOG]
Equ4String(
15-7
expr(string) Converts
trin
to an ex
ression
and executes it.
y [CATALOG]
expr( 15-7
ExpReg [Xlistname,
Ylistname,freqlist,regequ]
Fits an ex
onential re
ressio
model to Xlistname and Ylistname
with fre
uenc
re
lis
, and stores
the regression equation to regequ.
…
CALC
0:ExpReg
12-26
ExprOff Turns off the ex
ression dis
la
during TRACE.
y [FORMAT]
ExprOff 3-14
ExprOn Turns on the ex
ression dis
la
during TRACE.
y [FORMAT]
ExprOn 3-14
Ü
ÜÜ
Ücdf(lowerbound,
u
erbound,
numerator d
,
denominator df)
Com
utes the Û distributio
robabilit
between lowerbound
and u
erbound for the s
ecifie
numerator d
de
rees of
freedom) and denominator df.
y [DISTR]
DISTR
9:
Û
ÛÛ
Ûcdf(
13-32
Fill(value,matrixname) Stores value to each element in
matrixname.
MATH
4:Fill(
10-13
Fill(value,listname) Stores value to each element in
listname.
y [LIST]
OPS
4:Fill(
11-11
Fix # Sets fixed-decimal mode for # o
decimal places.
z
0123456789
(select one) 1-10
Float Sets floating decimal mode.
z
Float 1-10
Table of Functions and Instructions (continued)