Lcm Math/Number Menu; Left Math/String Menu; Limit Math/Calculus Menu - Texas Instruments TITANIUM TI-89 User Manual

lcm()
MATH/Number menu
number1 number2
lcm( ,
) ⇒ ⇒ ⇒ ⇒
list1 list2
lcm( ,
matrix1 matrix2
lcm( ,
Returns the least common multiple of the two
arguments. The
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 var
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.
834
) ⇒ ⇒ ⇒ ⇒
expression
list
) ⇒ ⇒ ⇒ ⇒
matrix
of two fractions is the
lcm
gcd
of fractional floating-
lcm
⇒
num string
[, ])
num characters contained in
sourceString .
, returns all of
num sourceString
]) ⇒ ⇒ ⇒ ⇒
list
elements contained in
num
num , returns all of list1
⇒
expression
)
]) ⇒ ⇒ ⇒ ⇒
var point direction
, , [,
]) ⇒ ⇒ ⇒ ⇒
point direction list
[,
]) ⇒ ⇒ ⇒ ⇒
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}) ¸
of
lcm
of their
left("Hello",2) ¸
.
left({1,3,ë 2,4},3) ¸
.
left(x<3) ¸
limit(2x+3,x,5) ¸
limit(1/x,x,0,1) ¸
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