Texas Instruments TI-89 Titanium Short User Manual page 279

‡() (square root) 2 ]
‡ ( expression1
) ⇒
list1
‡ (
Returns the square root of the argument.
For a list, returns the square roots of all the
elements in
Π()
(product)
MATH/Calculus menu
Π(
expression1
,
Evaluates
to
low
Π(
expression1
,
Π(
expression1
,
var, high
+1,
G()
(sum)
MATH/Calculus menu
G ( expression1
,
Evaluates
to
low
G ( expression1
,
expression1
G (
,
var, high +1,
#
(indirection)
CATALOG
varNameString
#
Refers to the variable whose name is
varNameString
variables from a program using strings.
Appendix A: Functions and Instructions
key
) ⇒
expression
list
list1.
) ⇒
var low high expression
, ,
for each value of
expression1
, and returns the product of the results.
high
) ⇒
var low low ì 1
, ,
) ⇒
Π(
var low high /
, , 1
low ì 1) if high low ì 1
<
) ⇒
var low high expression
, ,
for each value of
expression1
, and returns the sum of the results.
high
) ⇒
var low low ì 1 0
, ,
) ⇒ ë G (
var low high
, ,
low ì 1) if high < low ì 1
. This lets you create and modify
‡(4) ¸
‡({9,a,4}) ¸
Π(1/n,n,1,5) ¸
from
var
Π(k^2,k,1,n) ¸
Π({1/n,n,2},n,1,5) ¸
Π(k,k,4,3) ¸
1
Π(1/k,k,4,1) ¸
expression1,
Π(1/k,k,4,1)
G(1/n,n,1,5) ¸
from
var
G(k^2,k,1,n) ¸
G(1/n^2,n,1,ˆ) ¸
G(k,k,4,3) ¸
expression1,
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
:
:
:
:EndFor
Π(1/k,k,2,4) ¸
ù
nø (n + 1)ø (2ø n + 1)
©
©
©
ClrGraph
Graph iù x
StoPic #("pic" & string(i))
©
2
‡a
{3 2}
1
120
(n!)
ñ
1
{ }
120 32
120
1
6
1/4
137
60
6
pñ
6
0
ë 5
4
273