Texas Instruments TI-80 - MATH NUM (Number) Operations

2-10 Math, Angle, and Test Operations
To display the MATH NUM menu, press
I 9
. When you select a menu item,
the name is copied to the cursor location. Functions that are valid for lists return
a list calculated on an element-by-element basis.
MATH NUM PRB
1: ROUND(
Round.
2: IPART
Integer part.
3: FPART
Fractional part.
4: INT
Greatest integer.
5: MIN(
Minimum value.
6: MAX(
Maximum value.
7: REMAINDER(
Remainder of a division result.
ROUND(
(
MATH NUM
, item 1) returns a number, expression,
or list rounded to a specified number of decimals (

9). If the
number of decimals is omitted, the number is rounded to the
digits that are displayed, a maximum of 10 digits.
Round(
value
,
#decimals
) Round(
value
)
Z
PART
(integer part,
MATH NUM
, item 2) returns the integer
part or parts of a number, expression, or list.
FPART
(fractional part,
MATH NUM
, item 3) returns the fractional
part or parts of a number, expression, or list.
Z
PART
value
FPART
value
INT
(greatest integer,
MATH NUM
, item 4) returns the largest
integer less than or equal to a number, expression, or list. The
value is the same as
Z
PART
for nonnegative numbers and
negative integers, but one integer less than
Z
PART
for negative
noninteger numbers.
INT
value
MATH NUM (Number) Operations
MATH NUM
Menu
ROUND(
Z
PART
FPART
INT