Texas Instruments TI-89 Titanium Short User Manual page 206

lcm()
MATH/Number menu
number1
lcm( ,
list1 list2
lcm( ,
matrix1 matrix2
lcm( ,
Returns the least common multiple of the two
arguments. The
of their numerators divided by the
denominators. The
point numbers is their product.
For two lists or matrices, returns the least
common multiples of the corresponding elements.
left()
MATH/String menu
sourceString
left(
Returns the leftmost
character string
If you omit
list1 num
left( [,
Returns the leftmost
.
list1
If you omit
comparison
left(
Returns the left-hand side of an equation or
inequality.
limit()
MATH/Calculus menu
expression1
limit(
expression
list1 var
limit( ,
matrix1
limit( ,
Returns the limit requested.
direction
otherwise=both. (If omitted,
both.)
Limits at positive ˆ and at negative ˆ are always
converted to one-sided limits from the finite side.
Depending on the circumstances,
itself or
limit. This does not necessarily mean that a
unique limit does not exist.
result is either an unknown number with finite or
infinite magnitude, or it is the entire set of such
numbers.
200
) ⇒
number2 expression
) ⇒
list
) ⇒
matrix
of two fractions is the
lcm
of fractional floating-
lcm
⇒
num string
[, ])
characters contained in
num
.
sourceString
, returns all of
num
]) ⇒
list
elements contained in
num
, returns all of
num
⇒
expression
)
]) ⇒
var point direction
, , [,
]) ⇒
point direction
, [,
]) ⇒
var point direction
, [,
: negative=from left, positive=from right,
direction
when it cannot determine a unique
undef
undef
lcm(6,9) ¸
lcm({1/3,ë 14,16},{2/15,7,5})
¸
lcm
of their
gcd
left("Hello",2) ¸
.
sourceString
left({1,3,ë 2,4},3) ¸
.
list1
left(x<3) ¸
limit(2x+3,x,5) ¸
limit(1/x,x,0,1) ¸
list
matrix
limit(sin(x)/x,x,0) ¸
limit((sin(x+h)-sin(x))/h,h,0)
¸
defaults to
limit((1+1/n)^n,n,ˆ) ¸
returns
limit()
means that the
Appendix A: Functions and Instructions
18
{2/3 14 80}
"He"
{1 3 ë 2}
x
13
ˆ
1
cos(x)
e