Calculator Tips

Question 1

How to find the product of prime factors?
Eg. Prime factors of 550

Answer 1

1. Type the number u want
2. Press =
3. Press shift
4. Press fact

Eg. It should give u 25^211

Question 2

How to find value in a table for plotting graphs?

Answer 2

1. Press menu
2. Press 3
3. Put the equation of the line
4. Press =
5. It will ask the g(x)=, if there’s another equation then put that in, if not just press =
6. For the start, press whatever number is asked in the table (eg. -2)
7. For the end, press whatever number is asked for at the end of table (eg. 2)
8. For steps say what the x increments in so usually 1 (eg. -2x —> -1x —> 0x —> 1x —> 2x)
9. Press = and u should get a table

Question 3

How to turn normal numbers into standard form? (Ps. This only works with positive numbers)

Answer 3

1. Put the normal number in
2. Press =
3. Press the ENG button

(Ps. It only gives u standard form in multiples of 3 so, 10^3,10^6,10^9 etc. so you’re gonna have to change it to be proper standard form if it isn’t one of the multiples of 3)

Question 4

If u type in an improper fraction, how to turn it into a mixed one?

Answer 4

1. Put the improper fraction in
2. Press =
3. Press shift
4. Press S <-> D button

Question 5

How to turn time (thats in decimals and not minutes or seconds) into hours, minutes and seconds?

Answer 5

1. Put the number in
2. Press the button that looks like ° ‘ “
   3.should give u the answer in hours, minutes and seconds

(Ps. The ° means hours, the ‘ means minutes and the “ means seconds, so be careful when inputting numbers that aren’t in hours and stuff)

Question 6

How to turn time (thats in hours, minutes and seconds) into decimals?

Answer 6

1. Put the hour in (if it’s like 90 minutes just put 0 on the hours)
2. Press the ° ‘ “ button
3. Put the minutes in
4. Press the ° ‘ “ button (remember to put 0 if necessary)
5. Put the seconds in (unless u don’t need it)
6. Press the ° ‘ “ button
7. Press =
8. Press the ° ‘ “ to get the decimals

Question 7

How to simplify ratios in the form 1:n and n:1?

Answer 7

1. Press menu
2. Press 4
3. Put 1 if u want it in the n:1 way or 2 if u want it in the 1:n way
4. Put the ratio in (press = in between)
5. Then press = twice (technically u can also put another number instead of 1 if u want)
6. Should say x= at the tops at then the answer
   .

Question 8

If u want the fraction to cover the entire line what do u do?

Answer 8

Just put the ) at the end and then press the fraction button

Question 9

How to store values?

Answer 9

1. Do whatever calculation you’re doing
2. Press =
3. Press the STO button
4. Choose a letter to store the number to
5. Press =

Question 10

How to get the number u stored to use in the calculation?

Answer 10

1. Put the letter u chose
2. Do the calculation

If u don’t know what letter u chose to store the number then press shift then STO (recall) then it will tell u all the letters and numbers