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.
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.