user manual
A-2 Tables and Reference Information
A function (F) returns a value or a list and can be used in expressions; an
instruction 
(I)
 initiates an action. Some, but not all, have arguments. † indicates
that the instruction is available for copying only from the program editor.
a
À
b
º
c
Sets the display format for
fraction results to
a
À
b
º
c
 (mixed fraction)
mode. 
(I)
† 
3
á
a
À
b
º
c
â
1
-
11
value
a
À
b
º
c
Returns 
value
 as a mixed
fraction. 
(F)
J
á
4
a
À
b
º
c
â
3
-
9
ABS
value
Returns the absolute value
of 
value
. 
(F)
2
P
2
-
6
ABS
list
Returns a list of absolute
v
alues for each element in
list
. 
(F)
2
P
2
-
6
A
ddition: 
valueA
+
valueB
Returns 
valueA
 plus
valueB
. 
(F)
«
2
-
4
A
ddition: 
value
+
list
Returns a list in which
value
 is added to each 
list
element. 
(F)
«
2
-
4
A
ddition: 
listA
+
listB
Returns a list of 
listA
elements plus 
listB
elements. 
(F)
«
2
-
4
AUTOSIMP
Turns on automatic
simplification mode for
fractions. 
(I)
† 
3
á
AUTOSIMP
â
1-11
b
º
c
Sets the display format for
fraction results to
b
º
c
 (simple fraction)
mode. 
(I)
† 
3
á
b
º
c
â
1
-
11
value
8
b
º
c
Returns 
value 
as a simple
fraction. 
(F)
J
á
4
b
º
c
â
3
-
9
CLRDRAW
Deletes all drawn
elements from a graph or
drawing. 
(I)
2
F
DRAW
á
CLRDRAW
â
7
-
12
CLRHOME
Clears the Home screen.
(I)
† 
K
I/O
á
CLRHOME
â
10
-
13
CLRLIST
listnameA
,
listnameB
,
 . . .
Deletes
listnameA
,
listnameB
, . . .
(I)
A
 EDIT
á
CLRLIST
â
9
-
13
Table of TI-80 Functions and Instructions










