Texas Instruments TI-80 Calculator User Manual


 
I-2 Index
C
(Cont.)
Conversions
decimals, 2
-
7, 2
-
8, 3
-
8, 3
-
10, 82,
A
-
3
fractions, 3
-
8, 3
-
10, A
-
6
polar to rectangular, 2
-
14, 2
-
15, A
-
13
rectangular to polar, 2
-
14, 2
-
15, A
-
15,
A
-
16
Coordinates, 4
-
12
Correlation coefficient
r
, 9
-
15 to 9
-
17
COS
,
COS
–1
, 2
-
4, A
-
3, B
-
9
Cosine, 2
-
4, A
-
3, B
-
9
CTL
(
PRGM
) menu, 10
-
7 to 10
-
10
Cube:
3
, 2
-
7, 2
-
8, A
-
3
Cube root:
3
, 2
-
7, 2
-
8, A
-
3
Cursor coordinates, 4
-
12, B
-
8
Cursor keys, 1
-
8
Cursors, 1
-
5, 1
-
8
Curve fitting, 9
-
18 to 9
-
21
D
DATA TYPE
error, B
-
11
8
DEC
, 2
-
7, 2
-
8, 3
-
8, 3
-
10, 8
-
2, A
-
3
Decimal display, 1
-
10, 2
-
8, A
-
3
Decimal window, 4
-
15, 4
-
17, A
-
19
DEGREE MODE
, 1
-
9, 1
-
11, 2
-
14, 4
-
4,
A
-
3
Degree notation
¡
, 2
-
14, A
-
3
Deleting
characters, 1
-
8
from memory, 12
-
3
@
TBL
variable, 6
-
2, 6
-
3, 6
-
5, 6
-
6
@
X
,
@
Y
, 4
-
10, 4
-
17, A
-
26, B
-
8
Dependent variable, 6
-
4 to 6
-
6
Derivative.
See
Numerical derivative
Difficulty, in case of, B
-
10
DIM
, 8
-
6, 8
-
7, A
-
3
Dimension (list), 8
-
6, 8
-
7, A
-
3
DIM MISMATCH
error, B
-
11
DISP
, 10
-
3, 10
-
11, 10
-
13, A
-
3
DISPGRAPH
, 9
-
24, 10
-
11, 10
-
13,
A
-
3
Display, 1
-
4, 1
-
5
contrast, 3, 1
-
3, B
-
2, B
-
10
cursors, 1
-
5, 1
-
8
decimal, 2
-
8, A
-
3
fraction, 3
-
8, 3
-
10, A
-
6
D
(Cont.)
Display (Cont.)
graph, 4
-
11, 4
-
12
Home screen, 1
-
4
table, 6
-
5, 6
-
6
text, 10
-
12, 10
-
13, A
-
3, A
-
7
Division:
à
, 2
-
4, A
-
4
DOMAIN
error, B
-
11
DOT MODE
, 1
-
9, 1
-
11, 4
-
4, A
-
4
DRAW
menu, 7
-
3 to 7
-
11
DRAWF
, 7
-
3, 7
-
6, A
-
4
Drawing
function, 7
-
6
lines, 7
-
4 to 7
-
5
on a graph, 7
-
1 to 7
-
11
points, 7
-
10
stat data, 9
-
18 to 9
-
21
E
H
, 2
-
9
e^
, 2
-
5, A
-
4, B
-
9
e
(natural log), 2
-
5, A
-
8, B
-
9
Edit keys, 1
-
8
Editors, 1
-
8
function, 4
-
5, 4
-
6, 5
-
3
list, 9
-
9 to 9
-
12
program, 10
-
5 to 10
-
7, 10
-
14
statistics, 9
-
9 to 9
-
12
table, 6
-
3 to 6
-
6
Y=
, 4
-
5, 4
-
6, 5
-
3
Element
list, 8
-
3 to 8
-
5
ELSE
, 10
-
7, 10
-
8, A
-
4
END
, 10
-
3, 10
-
7 to 10
-
9, A
-
4
Entering
expressions, 1
-
6
fractions, 3
-
6
functions, 1
-
7, 4
-
5 to 4
-
7,
5
-
3, 6
-
4, A
-
26
lists, 8
-
3 to 8
-
5, 9
-
10 to 9
-
12
negative numbers, 1
-
21, 2
-
6,
A
-
11
programs, 10
-
5 to 10
-
6
statistics, 9
-
2 to 9
-
24
EOS, 1
-
20, 1
-
21
EQ
(
VARS
) menu, 1
-
19, 9
-
17
Equal:
=
, 2
-
16, A
-
4