10 Calculator Buttons you need in your life #revision #gcse #alevel

Need help in Maths? See some amazing tricks with your calculator here. It’s almost cheating:

RGS Maths

Before we start, let me get one thing out of the way – you will only get so far without showing your working. Nevertheless, even a seasoned Maths student needs some calculator skills from time to time. Enjoy.

1. Time conversion between decimal and hours/mins/secs can be tricky. Check your answer with the snazzy ‘commas and dot’ button:

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Type your decimal, e.g. 2.4 (hours) press equal then convert with the button below Alpha B.

Your life is now complete.

(As Will Davies rightly pointed out on my earlier post: I use it for time, but this button is actually to convert angles into degrees, minutes and seconds ie fractions of degrees – 60ths and 3600ths)

2. Prime Factorisation

Want to check your product of primes? Or better still, check whether a number is prime?

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Simply type your number, press equal then convert with FACT (next to the Alpha B). If…

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