Getting Started with the TI-84 Plus C Silver Edition 23
Changing the Clock Settings
Turning the Clock On and Off
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-84 Plus C.
EOS™ lets you enter numbers and functions in a simple, straightforward
sequence.
EOS™ evaluates the functions in an exp
r
ession in this order.
1. Press ~ or | to h
ighlight each
field.
• Press Í to select the
date and time format.
• Press ‘ and type a
number for the year, month,
date, hour, and minute
fields.
2. To save changes, press † to
highlight
SAVE, and then press
Í.
1. Press y N.
2. Press † or } to scroll the
CATALOG until the selection
cursor points to
ClockOff or
ClockOn.
3. Press Í Í.
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
,
M1
, !, ¡,
r
, and conversions
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