Texas Instruments TI-Nspire CAS User Manual

Output variable Description
stat.dfError Degrees of freedom of the errors
stat.SSError Sum of squares of the errors
stat.MSError Mean squares for the errors
s Standard deviation of the error
Ans
/v keys
Ans ⇒ value
Returns the result of the most recently
evaluated expression.
approx()
Catalog >
approx(Expr1) ⇒ expression
Returns the evaluation of the argument as
an expression containing decimal values,
when possible, regardless of the current
Auto or Approximate mode.
This is equivalent to entering the argument
and pressing /·.
approx(List1) ⇒ list
approx(Matrix1) ⇒ matrix
Returns a list or matrix where each
element has been evaluated to a decimal
value, when possible.
►approxFraction()
Catalog >
Expr►approxFraction([Tol]) ⇒
expression
List►approxFraction([Tol]) ⇒ list
Matrix►approxFraction([Tol]) ⇒ matrix
Returns the input as a fraction, using a
tolerance of Tol. If Tol is omitted, a
tolerance of 5.E-14 is used.
Alphabetical Listing 17

Texas Instruments TI-Nspire CAS Specifications

General

Type	Graphing
Cover	-
Form factor	Pocket
Control type	Buttons, Touch
Product color	Grey, Silver
Digits	- digits
Display tilting	No
Display resolution	320 x 240 pixels
Display number of lines	- lines
Compatible operating systems	Windows XP/2000\\r Mac OS X 10.4/10.5
Battery type	AAA
Power source	Battery
Number of batteries supported	4
USB port	Yes
USB 2.0 ports quantity	1
RAM capacity	16 MB
ROM capacity	20 MB

Weight and Dimensions

Depth	198.3 mm
Width	100 mm
Height	28.7 mm