Texas Instruments TI-86 - Manual (Page 318)

306
Chapter 20: A to Z Function and Instruction Reference
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 306 of 118
:If condition
:Then
:
commands-if-true
:Else
:
commands-if-false
:End
:
commands
If condition is true (nonzero), executes commands-if-
true
from Then to Else and then continues with the next
command following End .
If condition is false (zero), executes commands-if-false
from
Else to End and then continues with the next
command following End .
Program segment:
©
:If x<0
:Then
: Disp "x is negative"
:Else
: Disp "x is positive or zero"
:End
©
imag
CPLX menu
imag ( complexNumber )
Returns the imaginary (nonreal) part of
complexNumber
. The imaginary part of a real number is
always 0.
imag ( real , imaginary ) returns imaginary.
imag ( magnitude ±angle ) returns magnitude sin angle.
imag (3,4) b 4
imag (3 ±4) b L 2.27040748592
imag complexList
imag complexMatrix
imag complexVector
Returns a list, matrix, or vector in which each element
is the imaginary part of the original argument.
imag { L 2,(3,4),(3 ±4)} b
{0 4 L 2.27040748592}