Equation Operating System (Eos É) - Texas Instruments TI-73 Explorer Manual Book

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Appendix B: Reference Information
Equation Operating System (EOS é)
The Equation Operating System (EOS) defines the order in
which functions and expressions are entered and evaluated on
the TIN73. Within a priority level, EOS evaluates functions from
left to right and in the following order.
1 Calculations within parentheses.
2 Single-argument functions that precede the argument,
such as
Multi-argument functions, such as
evaluated as they are encountered.
3 Functions that are entered after the argument, such as
, , and conversions.
r
¡
4 Powers and roots, such as 2
5 Permutations (
6 Multiplication, implied multiplication, and division.
7 Addition and subtraction.
8 Relational functions, such as
9 Logic operator
10 Logic operator
, , or .
‡(
sin( log(
) and combinations (
nPr
.
and
.
or
, are
min(2,3)
5 or 5 ‡32.
).
nCr
or .
{
>
,
!