Texas Instruments TI15TK Teacher Guide - Page 79
Notes continued, the display.
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Fractions 8 Notes (continued) • Dividing a fraction by a fraction • When you multiply or divide gives fractional results regardless of fractions and decimals, the result the division setting (decimal or is displayed as a decimal. A fraction). decimal cannot be converted to a • The ¢ mode settings provide 4 possible display options for computational results displayed in fraction form. For example, for 6 ÷ 4, the displays would look like this: manual simp/improper (n/d): 6 4 auto simp/improper (n/d): 3 2 fraction if the result would overflow the display. • Clearing with w in fractions occurs from right bottom to left top. If you accidentally press ¥ (the denominator key) after entering the numerator, without entering a numeral for the denominator first, using w will not correct that error. You will need to manual simp/mixed number: (U n/d) auto simp/mixed number: 142 clear and begin the entry again. • If the decimal place is set to 0, the 121 decimal equivalent for a fraction will not be displayed. (U n/d) • You can enter the denominator or numerator first. • For operations, you can enter 1 to 1000 for the denominator. For conversions to decimal, you can enter 1 to 100,000,000 for the denominator. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 72