Orion TI-
30XS MultiView™ User’s Guide - User guide
Version 1.0
Orbit Research
Confidential and Proprietary Information
19
You can reuse a previous entry by pressing
enter
to paste it on the bottom line,
and then evaluating a new expression.
Example
5
,
+
,
4
,
enter
Result = 9
up arrow
Result = 9
up arrow
Result = 5 + 4
enter
Result = 5 + 4
3.7 Answer toggle
[left-right arrow]
Press the
[left-right arrow]
key to toggle the display result between fraction and
decimal answers, exact square root and decimal, and exact pi and decimal.
3.8 Last answer
2nd [ans]
The most recently calculated result is stored to the variable
Ans
.
Ans
is retained
in memory, even after the TI-30XS calculator is turned off. To recall the value of
Ans
:
•
Press
2nd [ans]
(
Ans
displays on the screen), or
•
Press any operations key (
+
,
-
, and so forth) as the first part of an entry.
Ans
and the operator are both displayed.
3.9 Order of operations
The TI-
30XS 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 [
R left-right arrow 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 is
evaluated from left to right. The expression 2^3^2 is evaluated as (2^3)^2,
with a result of 64.
6th
Negation (
-
)
