Calculator User Manual

Chapter 20: A to Z Function and Instruction Reference
337
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 337 of 11820ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 337 of 118
poly
†
- v
poly
coefficientList
Returns a list containing the real and complex roots of a
polynomial whose coefficients are given in
coefficientList
.
a
n
x
n
+ ... + a
2
x
2
+ a
1
x
1
+ a
0
x
0
= 0
Find the roots of 2x
3
N
8x
2
N
14x+20=0:
poly {2,
L
8,
L
14,20}
b
{5
L
2 1}
Power:
^
@
number
^
power
or
(
expression
)^(
expression
)
Returns
number
raised to
power
. The arguments can be
real or complex.
4^2
b
16
2^
L
5
b
.03125
listA
^
listB
Returns a list in which each element of
listA
is raised to
the power specified by the corresponding element in
listB
.
{2,3,4}^{3,4,5}
b
{8 81 1024}
squareMatrix
^
power
Returns a matrix equivalent to
squareMatrix
multiplied
by itself
power
number of times, where 0

power

255.
This is not the same as simply raising each element to
power
.
[[2,3][4,5]]^3
b
[[116 153]
[204 269]]
Power of 10:
10
^
- z
10
^
power
or
10
^(
expression
)
Returns 10 raised to
power
or
expression
, which can be
real or complex.
10
^1.5
b
31.6227766017
10
^
L
2
b
.01