Texas Instruments TI-89 Titanium Short User Manual page 227

matrix1
product(
Returns a row vector containing the products of
the elements in the columns of
are optional. They specify a range of rows.
end
Prompt
CATALOG
var1
Prompt [,
Displays a prompt on the Program I/O screen for
each variable in the argument list, using the
prompt
the corresponding variable.
Prompt
propFrac()
MATH/Algebra menu
expression1
propFrac(
propFrac(
as the sum of an integer and a fraction having
the same sign and a greater denominator
magnitude than numerator magnitude.
propFrac(
of proper ratios and a polynomial with respect to
. The degree of
var
the degree of
ratio. Similar powers of
terms and their factors are sorted with
main variable.
If is omitted, a proper fraction expansion is
var
done with respect to the most main variable. The
coefficients of the polynomial part are then made
proper with respect to their most main variable
first and so on.
For rational expressions,
but less extreme alternative to
PtChg
CATALOG
x y
PtChg ,
xList yList
PtChg ,
Displays the Graph screen and reverses the screen
pixel nearest to window coordinates
( , ).
x y
PtOff
CATALOG
x y
PtOff ,
xList yList
PtOff ,
Displays the Graph screen and turns off the
screen pixel nearest to window coordinates
( , ).
x y
Appendix A: Functions and Instructions
]]) ⇒
, start , end matrix
[ [
var2 var3
] [, ] ...
. Stores the entered expression in
var1?
must have at least one argument.
]) ⇒
var expression
[,
returns
rational_number
)
rational_expression,var
in the denominator exceeds
var
in the numerator in each proper
var
are collected. The
var
propFrac()
product([1,2,3;4,5,6;7,8,9])
¸
. and
matrix1 Start product([1,2,3;4,5,6;7,8,9],
1,2) ¸
Program segment:
Prompt A,B,C
EndPrgm
propFrac(4/3) ¸
rational_number
propFrac(ë 4/3) ¸
returns the sum
) propFrac((x^2+x+1)/(x+1)+
as the
var
propFrac(ans(1))
is a faster
.
expand()
Note:
continuing similar examples.
PtChg 2,4 ¸
PtOff 2,4 ¸
©
©
(y^2+y+1)/(y+1),x) ¸
through
PtChg PtText
[28 80 162]
[4,10,18]
1 + 1/3
ë 1ì 1/3
show
221