Texas Instruments MathPrint TI-30X Plus, Быстрое руководство

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13
Change
( )
f 5
to
( )
f 10
and press
n
.
Repeat to change
( )
f 10
to
( )
f 50
.
(b)
From part (a), we conclude that
10 x

.
By entering values for
x
, starting with
15
,
for example, the two screenshots show
that
17
people exchanged
136
handshakes.
3 Data editor and list formulas feature
Press
y
to access the data editor where you can enter data into lists L1 , L2 and L3 .
When editing a list, press
y
to access the CLR , FORMULA and OPS menus.
Use
< > [ ]
to highlight a cell in the data editor and then enter a value.
Press:
e to delete a cell.
n s
to clear the edit line of a cell.
q –
to return to the home screen.
 
to go to the top of a list.
 
to go to the bottom of a list.
4 Stored operations feature
Press
q ∑
to store an operation and press
q ∏
to paste an operation to the home
screen. To set an operation and then recall it:
Press q ∑ .
Enter any combination of numbers, operations, and/or data values.
Press
n
to store the operation.
Press
q ∏
to recall the stored operation and apply it to the last answer or the current
entry.
If you apply
q ∏
directly to a
q ∏
result, a
n = 1
iteration counter is incremented.