Calculator User Manual

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