Texas Instruments TI-84 Plus Reference Sheet page 4

10) General Calculator Reminders/Functions
a. To enter a fraction, you can either use parenthesis to create a fraction
(division) such as (2/18), or if you have one of the new calculators simply
press ALPHA then y= and choose option 1 (n/d) which will give you a fraction
b. To convert a decimal answer to a fraction, choose math, then option 1 FRAC
and it will provide you a fraction in lowest terms
c. To enter a cube root, again choose MATH, option #4
d. For absolute values, enter MATH, then go across to NUM and pick option 1
abs
e. To round a decimal to a certain number of places, enter MATH, then go
across to NUM and pick option 2 round(. Enter the long decimal, then a
comma and then how many decimal places you need followed by closing the
parenthesis and then ENTER. Example: round(4.56789, 2) will provide an
answer rounded to the nearest hundredth of 4.57
f. To raise anything to an exponent larger than 2, you can you the ^ then enter
the exponent. Example: 4
g. If your calculator becomes stuck and won't do anything, hit 2
reset, 1 All RAM, 2 reset, enter until it says all RAM CLEARED
5
would be entered as 4^5 enter to get 1024
nd
, + (mem), 7