HP 33s hp 33s_user's manual_English_E_HDPM20PIE56.pdf - Page 89
Rounding Fractions, Number Entered and Fraction Displayed, Fraction, Format, Display, Description
UPC - 082916001456
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Fraction Format ¼ Most precise Number Entered and Fraction Displayed 2 2.5 2 2/3 2.9999 216/25 2 2 1/2 2 2/3S 3T 2 9/14T Factors of denominator 2 2 1/2 2 11/16T 3T 2 5/8S Fixed denominator 2 0/16 2 8/16 2 11/16T 3 0/16T 2 10/16S ¼ For a /c value of 16. Example: Suppose a stock has a current value of 48 1/4. If it goes down 2 5/8, what would be its value? What would then be 85 percent of that value? Keys: Display: Description: | y { } 8 | y {} 9 8| 48 1 4 258 85 Q S Sets flag 8, clears flag 9 for "factors of denominator" format. Sets up fraction format for 1/8 increments. Enters the starting value. Subtracts the change. Finds the 85-percent value to the nearest 1/8. Rounding Fractions If Fraction-display mode is active, the RND function converts the number in the X-register to the closest decimal representation of the fraction. The rounding is done according to the current /c value and the states of flags 8 and 9. The accuracy indicator turns off if the fraction matches the decimal representation exactly. Otherwise, the accuracy indicator stays on, (See "Accuracy Indicators" earlier in this chapter.) Fractions 5-7