Equation operating system (eos), Order of evaluation, Rules – Texas Instruments TI-83 PLUS User Manual
Page 50
TI-83 Plus
Operating the TI-83 Plus Silver Edition
47
Equation Operating System (EOS)
Order of Evaluation
The Equation Operating System (EOS) defines the order in which
functions in expressions are entered and evaluated on the
TI-83 Plus
.
EOS lets you enter numbers and functions in a simple, straightforward
sequence.
EOS evaluates the functions in an expression in this order.
Order Number Function
1
Functions that precede the argument, such as
‡
(
,
sin(
, or
log(
2
Functions that are entered after the argument, such as
2
,
M
1
,
!
,
¡
,
r
, and conversions
3
Powers and roots, such as
2^5
or
5
x
‡
32
4
Permutations (
nPr
) and combinations (
nCr
)
5
Multiplication, implied multiplication, and division
6
Addition and subtraction
7
Relational functions, such as
>
or
8
Logic operator
and
9
Logic operators
or
and
xor