TI-84 Plus CE shortcuts

How do you enter π on the TI-84 Plus CE?

Press 2nd, then ^.

How do you access the previous answer?

Use Ans, accessed with 2nd then (−).

How do you convert a decimal to a fraction?

Press MATH → 1:►Frac after calculating, when the result can be represented as a fraction.

How do you graph an equation?

Press Y=, enter the function, then GRAPH.

How do you reset the graph window to a standard view?

Press ZOOM → 6:ZStandard.

How do you access the table of function values?

Press 2nd → GRAPH (TABLE).

How do you store a value in X?

Type the number, press STO→, press the X,T,θ,n key, then ENTER.

How do you calculate a square root?

Press √, enter the number or expression, close parentheses if needed, and press ENTER.

How do you enter a squared value?

Enter the number or expression, then press x².

How do you calculate a percentage on the TI-84?

Convert the percentage to a decimal, then multiply by the number.

How do you change the calculator to degree mode?

Press MODE, select Degree, then press ENTER and QUIT.