Texas Instruments TI-80 Calculator User Manual


 
Index I-5
N
n
(statistics), 9
-
17, A
-
26
Natural log, 2
-
5, A
-
8
nCr
, 2
-
12, 2
-
13, A
-
10
NDERIV(
, 2
-
7, 2
-
9, A
-
10
Negation:
-
, 1
-
21, 2
-
6, A
-
11
NEST LEVEL
error, B
-
12
NORMAL MODE
, 1
-
9, 1
-
10, A
-
11
Not equal:
ƒ
, 2
-
16, A
-
11
nPr
, 2
-
12, A
-
11
NUM
(
MATH
)
menu, 2
-
10, 2
-
11
Numerical derivative, 2
-
7, 2
-
9, A
-
10
O
OFF
,
ON
, 3, 1
-
2
1-VAR STATS
, 9
-
14, 9
-
15, A
-
11
One-variable statistics, 9
-
14, 9
-
15,
A
-
11
OVERFLOW
error, B
-
12
P
Panning, 4
-
13, 5
-
6
PARAM MODE
, 1
-
9, 1
-
11, 4
-
4, 5
-
3,
A
-
11
Parametrics, 1
-
19, 5
-
2 to 5
-
6
Parentheses, 1
-
21
PAUSE
, 10
-
7, 10
-
9, 10
-
13, A
-
12
Pausing a program, 10
-
7, 10
-
9, 10
-
13,
A-12
Permutations, 2
-
12, 2
-
13, A
-
11
Pi:
p
, 2
-
6, A
-
12
Pixel, x, 4
-
17, B
-
8
PLOT
n
(
, 9
-
18 to 9
-
24, A
-
12
PLOTSOFF
,
PLOTSON
, 9
-
21, A
-
12
Plotting graphs, 4
-
11, 4
-
14
Plotting stat data, 9
-
18 to 9
-
21,
9
-
23 to 9
-
24
POINTS
(
DRAW
) menu, 7
-
10, 7
-
11,
A
-
13
Polar to rectangular, 2
-
14, 2
-
15,
A
-
13
Power of ten:
10^
, 2
-
5, A
-
12, B
-
9
Power regression, 9
-
14, 9
-
16, A
-
14
Powers:
^
, 2
-
5, A
-
12
PRB
(
MATH
) menu, 2
-
12, 2
-
13
PRGM_
, 10
-
7, 10
-
10, 10
-
14, A
-
13
PRGM CTL
menu, 10
-
7 to 10
-
10
P
(Cont.)
PRGM EXEC
menu, 10
-
5, 10
-
14
PRGM EDIT
menu, 10
-
6
PRGM I/O
menu, 10
-
11 to 10
-
13
PRGM NEW
menu, 10
-
2, 10
-
5
Probability, 2
-
2, 2
-
12, 2
-
13, A
-
10,
A
-
11
PROD
, 8
-
9, 8
-
10, A
-
13
Product of a sequence, 8
-
10
Program editor, 10
-
6, 10
-
7, 10
-
11
Programs, 10
-
2 to 10
-
14
commands, 10
-
5
erasing, 10
-
4
executing programs, 10
-
5
names, 10
-
4
P
8
Rx(
,
P
8
Ry(
, 2
-
14, 2
-
15, A
-
13
PT-CHANGE(
,
PT-OFF(
,
PT-ON(
, 7
-
10,
7-11, A
-
13
PWRREG
, 9
-
14, 9
-
16, A
-
14
Q
Q
1
,
Q
3
, 9
-
17, 9
-
19, 9
-
21, A
-
26
Quadratic fit/regression, 9
-
16
QUADREG
, 9
-
14, 9
-
16, A
-
14
Quartiles, 9
-
17, 9
-
19
QuickZoom, 4
-
13, 5
-
6
R
ô
(radian notation), 2
-
14, A
-
14
r
(statistics), 9
-
15 to 9
-
17, A
-
26
r
variable, A
-
26
RADIAN
, 1
-
9, 1
-
11, 2
-
14, 4
-
4, A
-
14
RAND
, 2
-
12, A
-
14
RANDINT(
, 2
-
12, 2
-
13, A
-
14
Random numbers, 2
-
12, 2
-
13, A
-
14
Real numbers, x
Rectangular coordinates, 4
-
12, 4
-
13,
5
-
6, A
-
15, A
-
16
Rectangular to polar, 2
-
14, 2
-
15,
A
-
16, A
-
17
REGEQ
(regression equation),
9
-
4 to 9
-
5, 9
-
15, A
-
26
Regressions, 9
-
4, 9
-
5, 9
-
14 to 9
-
16
Relational operators, 2
-
16
REMANINDER(
, 2
-
10, 2
-
11, A
-
14, A
-
15
Reserved variables, A
-
26
Resetting, 3, 12
-
4