Texas Instruments TI-84 Plus Guide Book

Chapter 2: Math, Angle, and Test Operations 69
Note: abs( is also available on the MATH CPX menu.
round(
round(round(
round(
round( returns a number, expression, list, or matrix rounded to #decimals (9). If #decimals
is omitted,
value is rounded to the digits that are displayed, up to 10 digits.
round(value[,#decimals])
iPart(, fPart(
iPart(, fPart(iPart(, fPart(
iPart(, fPart(
iPart( (integer part) returns the integer part or parts of real or complex numbers,
expressions, lists, and matrices.
iPart(value)
fPart(
(fractional part) returns the fractional part or parts of real or complex numbers,
expressions, lists, and matrices.

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-