Calculator User Manual
802  Appendix A: Functions and Instructions 
cumSum()  MATH/List menu 
cumSum(
list1
)  ⇒
⇒⇒
⇒ 
list
Returns a list of the cumulative sums of the 
elements in 
list1
, starting at element 1. 
cumSum({1,2,3,4}) ¸ 
  {1 3 6 10} 
cumSum(
matrix1
)  ⇒
⇒⇒
⇒ 
matrix
Returns a matrix of the cumulative sums of the 
elements in 
matrix1
. Each element is the 
cumulative sum of the column from top to 
bottom. 
[1,2;3,4;5,6]! m1 ¸ 
1 2 
3 4 
5 6 
cumSum(m1)
 ¸ 
1 2
4 6
9 12
CustmOff  CATALOG 
CustmOff 
Removes a custom toolbar. 
CustmOn and CustmOff enable a program to 
control a custom toolbar. Manually, you can press 
2¾ to toggle a custom toolbar on and 
off. Also, a custom toolbar is removed 
automatically when you change applications. 
See 
Custom program listing example. 
CustmOn  CATALOG 
CustmOn 
Activates a custom toolbar that has already been 
set up in a 
Custom...EndCustm block. 
CustmOn and CustmOff enable a program to 
control a custom toolbar. Manually, you can press 
2¾ to toggle a custom toolbar on and 
off. 
See 
Custom program listing example. 
Custom  2¾key 
Custom 
block
EndCustm 
Sets up a toolbar that is activated when you press 
2¾. It is very similar to the 
ToolBar 
instruction except that 
Title and Item statements 
cannot have labels. 
block
 can be either a single statement or a series 
of statements separated with the “:” character. 
Note: 2¾acts as a toggle. The first 
instance invokes the menu, and the second 
instance removes the menu. The menu is removed 
also when you change applications. 
Program listing: 
:Test() 
:Prgm 
:Custom 
:Title "Lists" 
:Item "List1" 
:Item "Scores" 
:Item "L3" 
:Title "Fractions" 
:Item "f(x)" 
:Item "h(x)" 
:Title "Graph" 
:EndCustm 
:EndPrgm 










