Texas Instruments TI-36X Pro User Manual - Page 11

Order, operations - log

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3%c%i < Order of operations The TI-36X Pro calculator uses Equation Operating System (EOS™) to evaluate expressions. Within a priority level, EOS evaluates functions from left to right and in the following order. 1st Expressions inside parentheses. 2nd Functions that need a ) and precede the argument, such as sin, log, and all R³´P menu items. 3rd Fractions. 4th Functions that are entered after the argument, such as x2 and angle unit modifiers. 5th Exponentiation (^) and roots (x‡). Note: In Classic mode, exponentiation using the G key is evaluated from left to right. The expression 2^3^2 is evaluated as (2^3)^2, with a result of 64. In MathPrint™ mode, exponentiation using the G key is evaluated from right to left. The expression 2^3^2 is evaluated as 2^(3^2), with a result of 512. The calculator evaluates expressions entered with F and a from left to right in both Classic and MathPrint™ modes. Pressing 3 F F is calculated as (32)2 = 81. 6th Negation (M). 11

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11
Order
of
operations
The TI-36X Pro calculator uses Equation Operating System
(EOS™) to evaluate expressions. Within a priority level, EOS
evaluates functions from left to right and in the following order.
3
%c
%i
<
1st
Expressions inside parentheses.
2nd
Functions that need a
)
and precede the
argument, such as
sin
,
log
, and all
R
³´
P
menu
items.
3rd
Fractions.
4th
Functions that are entered after the argument,
such as
x
2
and angle unit modifiers.
5th
Exponentiation (
^
) and roots (
x
‡
).
Note
: In Classic mode, exponentiation using the
G
key
is evaluated from left to right. The
expression 2^3^2 is evaluated as (2^3)^2, with
a result of 64.
In MathPrint™ mode, exponentiation using the
G
key is evaluated from right to left. The
expression 2^3^2 is evaluated as 2^(3^2), with
a result of 512.
The calculator evaluates expressions entered
with
F
and
a
from left to right in both Classic
and MathPrint™ modes. Pressing 3
F
F
is
calculated as (3
2
)
2
= 81.
6th
Negation (
M
).