2Nd (Square Root) Key; Ii (Product) Math/Calculus Menu; E (Sum) Math/Calculus Menu; # (Indirection) Catalog - Texas Instruments TITANIUM TI-89 User Manual

‡ ‡ ‡ ‡ () (square root) 2 ]
) ⇒ ⇒ ⇒ ⇒
expression1
‡ ‡ ‡ ‡ (
) ⇒ ⇒ ⇒ ⇒
list1 list
‡ ‡ ‡ ‡ (
Returns the square root of the argument.
For a list, returns the square roots of all the
elements in
()
(product) MATH/Calculus menu
expression1 var
( ,
Evaluates
low to high
expression1 var
( ,
expression1 var
( ,
var, high low
+1,
G()
(sum) MATH/Calculus menu
expression1 var
G G G G (
,
Evaluates
to
low high
expression1 var
G G G G ( ,
G G G G ( expression1 var
,
var, high +1, low
#
(indirection)
CATALOG
varNameString
#
Refers to the variable whose name is
varNameString
variables from a program using strings.
908
key
expression
list1.
) ⇒ ⇒ ⇒ ⇒
low high expression
, ,
expression1 for each value of
, and returns the product of the results.
) ⇒ ⇒ ⇒ ⇒
low low ì 1
, , 1
) ⇒ ⇒ ⇒ ⇒
low high / expression1,
, , 1 (
ì 1) if high low ì 1
<
) ⇒ ⇒ ⇒ ⇒
low high expression
, ,
expression1 for each value of
, and returns the sum of the results.
) ⇒ ⇒ ⇒ ⇒
low low ì 1
, , 0
) ⇒ ⇒ ⇒ ⇒ ë G G G G (
low high expression1,
, ,
ì 1) if high < low ì 1
. This lets you create and modify
‡ (4) ¸
‡ ({9,a,4}) ¸
(1/n,n,1,5) ¸
var from
(k^2,k,1,n) ¸
({1/n,n,2},n,1,5) ¸
(k,k,4,3) ¸
(1/k,k,4,1) ¸
(1/k,k,4,1)
G (1/n,n,1,5) ¸
var from
G (k^2,k,1,n) ¸
G (1/n^2,n,1, ˆ ) ¸
G (k,k,4,3) ¸
G (k,k,4,1) ¸
G (k,k,4,1)+ G (k,k,2,4) ¸
Program segment:
©
:Request "Enter Your Name",str1
:NewFold #str1
©
©
:For i,1,5,1
: ClrGraph
: Graph i ù x
: StoPic #("pic" & string(i))
:EndFor
©
Appendix A: Functions and Instructions
{3 ‡ a 2}
1
{
120 32
120
(1/k,k,2,4) ¸
ù
n ø (n + 1) ø (2 ø n + 1)
6
2
1
120
(n ! )
ñ
}
1
6
1/4
137
60
pñ
6
0
ë 5
4