Texas Instruments TI-89 Manual Book page 543

+
«
(add) key
expression1 + expression2
Returns the sum of
expression2
+
list1 list2
+
matrix1 matrix2
Returns a list (or matrix) containing the sums
of corresponding elements in
(or
matrix1
Dimensions of the arguments must be equal.
+
expression list1
+
list1 expression
Returns a list containing the sums of
expression
+
expression matrix1
+
matrix1 expression
Returns a matrix with
each element on the diagonal of
must be square.
matrix1
Note: Use .+ (dot plus) to add an expression
to each element.
ì
|
(subtract)
key
expression1 - expression2
Returns
-
list1 list2
-
matrix1 matrix2
Subtracts each element in
from the corresponding element in
), and returns the results.
matrix1
Dimensions of the arguments must be equal.
-
expression list1
-
list1 expression
Subtracts each
or subtracts
element, and returns a list of the results.
526 Appendix A: Functions and Instructions
expression
and
expression1
.
list
matrix
and
list1
and ).
matrix2
list
list
and each element in
list1
matrix
matrix
added to
expression
matrix1
expression
minus
expression1 expression2
list
matrix
(or
list2
list
list
element from
list1 expression
from each
expression list1
56 ¸
ans(1)+4 ¸
ans(1)+4 ¸
ans(1)+4 ¸
ans(1)+4 ¸
{22,p,p/2}! L1 ¸
{10,5,p/2}! L2 ¸
L1+L2 ¸
list2
ans(1)+{p,ë 5,ë p} ¸
[a,b;c,d]+[1,0;0,1] ¸
15+{10,15,20} ¸
{10,15,20}+15 ¸
.
20+[1,2;3,4] ¸
.
6ì 2 ¸
.
pì pà6 ¸
{22,p,pà2}ì {10,5,pà2} ¸
)
matrix2
[3,4]ì [1,2] ¸
(or
list1
15ì {10,15,20} ¸
{10,15,20}ì 15 ¸
56
60
64
68
72
{22 p p/2}
{10 5 p/2}
{32 p+5 p}
{p+32 p 0}
a+1 b
[ ]
c d+1
{25 30 35}
{25 30 35}
21 2
[ ]
3 24
4
5ø p
6
{12 pì 5 0}
[2 2]
{5 0 -5}
{-5 0 5}