Texas Instruments TI-80 User Manual - Page 58
MATH NUM (Number) Operations, NUM PRB, ROUND, IPART, REMAINDER
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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( MATH NUM PRB 1: ROUND( 2: IPART 3: FPART 4: INT 5: MIN( 6: MAX( 7: REMAINDER( Round. Integer part. Fractional part. Greatest integer. Minimum value. Maximum value. 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) ZPART FPART ZPART (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. ZPART value FPART value INT 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 ZPART for nonnegative numbers and negative integers, but one integer less than ZPART for negative noninteger numbers. INT value 2-10 Math, Angle, and Test Operations
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