Texas Instruments TI-89 Manual Book page 461

Exec
CATALOG
Exec string [, expression1] [, expression2] ...
Executes a
Motorola 68000 op-codes. These codes act as a
form of an assembly-language program. If
needed, the optional
one or more arguments to the program.
For more information, check the TI Web site:
education.ti.com
Warning:
power of the microprocessor. Please be
aware that you can easily make a mistake
that locks up the calculator and causes you
to lose your data. We suggest you make a
backup of the calculator contents before
attempting to use the
Exit
CATALOG
Exit
Exits the current
is not allowed outside the three looping
Exit
structures (
exp4list()
CATALOG
exp4list(expression,var)
Examines
separated by the word "or," and returns a list
containing the right-hand sides of the
equations of the form
gives you an easy way to extract some
solution values embedded in the results of
the solve()
functions.
Note:
exp4list()
zeros and
return a list of solution values directly.
444 Appendix A: Functions and Instructions
consisting of a series of
string
let you pass
expressions
gives you access to the full
Exec
command.
Exec
, , or
For While Loop
, , or ).
For While Loop
list
for equations that are
expression
var=expression
, cSolve() , fMin() , and fMax()
is not necessary with the
cZeros() functions because they
Program listing:
block. :0! temp
:For i,1,100,1
: temp+i! temp
: If temp>20
: Exit
:EndFor
:Disp temp
temp
Contents of
solve(x^2ì xì 2=0,x) ¸
x=ë 1
exp4list(solve(x^2ì xì 2=0,x),x)
¸
. This
21
after execution:
x=2 or
{ë 1 2}