© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-34 Û: A Guide for Teachers
49
Equation Operating System (EOS
é
)
1
(first)
Expressions inside
D
E
.
2 Functions that need a
E
and precede the
expression, such as the sin,
%
›
or
%
’
menu items.
3 Functions entered after the expression, such
as
F
and angle unit modifiers (
Ä
,
Å
,
Æ
, r).
4 Fractions.
5 Exponentiation (
G
) and roots (
%
Ÿ
).
6 Negation (
M
).
7 Permutations (nPr) and combinations (nCr).
8 Multiplication,
implied multiplication,
and division.
9 Addition and subtraction.
10 Conversions (
%
”
,
Q
,
R
and
8
DMS).
11
(last)
<
completes all operations and closes all
open parentheses.
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