Calculator User Manual

290
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 290 of 118
Else
‡ program editor
CTL menu
Refer to syntax information for
If
, beginning on page 305. See
the
If:Then:Else:End
syntax.
End
‡ program editor
CTL menu
End
Identifies the end of a
While
,
For
,
Repeat
, or
If-Then-
Else
loop.
Eng
† mode screen
Eng
Sets engineering notation mode, in which the power-of-
10 exponent is a multiple of 3.
In
Eng
notation mode:
123456789
b
123.456789
E
6
In
Normal
notation mode:
123456789
b
123456789
Eq
4
St(
STRNG menu
Eq
4
St(
equationVariable
,
stringVariable
)
Converts the contents of
equationVariable
to a string
and stores it to
stringVariable
. Be sure to specify an
equation variable, not an equation.
To create an equation variable, use an equal sign (=) to
define the variable. For example, enter
A=B
¹
C
, not
B
¹
C
¶
A
.
A=B
¹
C
b
Done
5
¶
B
b
5
2
¶
C
b
2
A
b
10
Eq
4
St(A,STR)
b
Done
STR
b
B
¹
C
Equal:
=
1
ã
=
ä
Refer to syntax information for
Assignment
on page 270.
If you use
=
in an expression in which the first argument
is not a variable name at the beginning of a line, the
=
is
treated as
N
(.
Example of = treated as
N
(, where 4=6+1 is
evaluated as 4
N
(6+1):
4=6+1
b
L
3
For true/false comparison, use == instead:
4==6+1
b
0