Texas Instruments TINSPIRE Reference Guide - Page 105

Catalog &gt, Store, string, subMat, Sum Sigma, Returns the sum of all elements

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Stop Stop Programming command: Terminates the program. Stop is not allowed in functions. Note for entering the example: In the Calculator application @ on the handheld, you can enter multi-line definitions by pressing · instead of at the end of each line. On the computer keyboard, hold down Alt and press Enter. Store string( ) string(Expr) ⇒ string Simplifies Expr and returns the result as a character string. subMat( ) subMat(Matrix1[, startRow] [, startCol] [, endRow] [, endCol]) ⇒ matrix Returns the specified submatrix of Matrix1. Defaults: startRow=1, startCol=1, endRow=last row, endCol=last column. Sum (Sigma) sum( ) sum(List[, Start[, End]]) ⇒ expression Returns the sum of all elements in List. Start and End are optional. They specify a range of elements. Any void argument produces a void result. Empty (void) elements in List are ignored. For more information on empty elements, see page 131. Catalog > See & (store), page 129. Catalog > Catalog > See G(), page 124. Catalog > TI-Nspire™ Reference Guide 99

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TI-Nspire™ Reference Guide
99
Stop
Catalog >
Stop
Programming command: Terminates the program.
Stop
is not allowed in functions.
Note for entering the example:
In the Calculator application
on the handheld, you can enter multi-line definitions by pressing
@
instead of
·
at the end of each line. On the computer keyboard,
hold down
Alt
and press
Enter
.
Store
See
&
(store)
, page
129
.
string()
Catalog >
string(
Expr
)
⇒
string
Simplifies
Expr
and returns the result as a character string.
subMat()
Catalog >
subMat(
Matrix1
[
,
startRow
]
[
,
startCol
]
[
,
endRow
]
[
,
endCol
]
)
⇒
matrix
Returns the specified submatrix of
Matrix1
.
Defaults:
startRow
=1,
startCol
=1,
endRow
=last row,
endCol
=last
column.
Sum (Sigma)
See
G
()
, page
124
.
sum()
Catalog >
sum(
List
[
,
Start
[
,
End
]]
)
⇒
expression
Returns the sum of all elements in
List
.
Start
and
End
are optional. They specify a range of elements.
Any void argument produces a void result. Empty (void) elements in
List
are ignored. For more information on empty elements, see page
131.