(how+to+do+12-14+in+a+ti-36x+calculator)

To do #'s 12-14 in your calculator, you need to be able to work with fractions with your calculator... locate these 2 buttons: The first button (box over box) is used to type fractions into this calculator. The second one (f<>d) is used to convert between fractions and decimals.

In problem #12, you are comparing 2 numbers, and trying to create a fraction.
 * Use the fraction button to enter a fraction with the 2 numbers you are trying to compare.
 * The number that is mentioned first in the problem goes in the numerator (top of fraction).
 * Hit enter.
 * You get a decimal, we want a fraction.
 * Use the second button to convert your answer to a fraction.
 * That fraction is your answer.