Math Num (Number) Operations - Texas Instruments TI-80 Manual Book

MATH NUM (Number) 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
Menu
ROUND(
ZPART
FPART
INT
2-10 Math, Angle, and Test Operations
MATH NUM PRB
1: ROUND(
2: IPART
3: FPART
4: INT
5: MIN(
6: MAX(
7: REMAINDER(
ROUND( ( MATH NUM
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.
value #decimals
Round( ,
ZPART (integer part,
part or parts of a number, expression, or list.
(fractional part,
MATH NUM
part or parts of a number, expression, or list.
ZPART
value
(greatest integer,
INT
integer less than or equal to a number, expression, or list. The
value is the same as
negative integers, but one integer less than
noninteger numbers.
INT value
Round.
Integer part.
Fractional part.
Greatest integer.
Minimum value.
Maximum value.
Remainder of a division result.
, item 1) returns a number, expression,
) Round(
, item 2) returns the integer
MATH NUM
, item 3) returns the fractional
FPART
, item 4) returns the largest
MATH NUM
ZPART for nonnegative numbers and
value
)
FPART
value
ZPART for negative