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External
functions
Spreadsheet
The column is filled with the data from the statistics app,
starting with the cell selected at step 1. Any data in that
data will be overwritten by the data being imported.
You can also export data from the Spreadsheet app to a
statistics app. See "Entering and editing statistical data" on
page 191 for the general procedure. It can be used in both
the Statistics 1Var and Statistics 2Var apps.
You can use in a formula any
function available on the Math,
CAS, App, User or Catlg
menus (see chapter 20,
"Functions and commands" on
page 283). For example, to
find the root of 3 – x
x = 2, you could enter in a cell
S.AA
ROOT
2
. The answer displayed is 1.732...
jo
E
You could also have selected a function from a menu. For
example:
1. Press
S.
2. Press
and tap
D
3. Select Polynomial > Find Roots.
Your entry line will now look like this: =CAS.proot().
4. Enter the coefficients of the polynomial, in descending
order, separating each with a comma:
Q
1
o
0
o
5. Press
to see the result: 1.732...
E
Note that the CAS prefix added to your function is to remind you
that the calculation will be carried out by the CAS (and thus a
symbolic result will be returned, if possible). You can also force
a calculation to be handled by the CAS by tapping
the spreadsheet.
There are additional spreadsheet functions that you can use
(mostly related to finance and statistics calculations). See
"Spreadsheet functions" on page 314.
closest to
2
AR
3
wAs
.
.
3
in
179
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