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They have to be great marks to be put in sig?

are they supposed to be tangents the circle?

I read somewhere that people like this aren't mathematicians, just people who solve calculations like that quickly. So he might not necessarily be able to solve more complex mathematical problems.

+1 We are just working with what we have. I don't go to meats and don't know you well, so I can only make my judgement from what I have seen around here.

For example when I asked you for the cube root of (651/4(pi)), you said 3.6 or 3.7, then finalised 3.7. Don't get me wrong, that is amazing but this guy or other 'human calculators' would have gotten it exactly to more decimals quickly. Even then when you said 3.6 or 3.7 did you do it in less...

Exactly. So should I assume you can or you can't? I have seen some of what you're capable of on the forums. I know you're good at maths. But I am yet to infer that you can reach such speeds in calculations like that.

haha

tbh I don't think you could do it that fast. You can defs do it, but not that speed imo.

I don't think that the fact he can do them is amazing, it's the speed at which he does them. Skip to 4:10 EDIT: +1

That quickly to so many decimal places? If so, looks like he isn't the fastest then.

The long division one really got me.

2(0.05*0.95)

Yeah that's what I have been doing. Thanks for your help.

Re: In terms of years, what HSC papers does the Pheonix Past papers topic by topic co I have the success one one, but was wondering if there is one where they are topic by topic?

I think he meant your old school.

Re: In terms of years, what HSC papers does the Pheonix Past papers topic by topic co ...

Mechanics looks hard, though everyone says its not compared to others. Can't wait to start MX2.

Also tried another way: 1-\left ( \frac{49}{50} \right )^{n}=0.99 which is actually realises way rearranged. I kinda did it accidently when bleakarcher said which reminded me to try the compliment of no one winning.

She means the quality of education is better in terms of teachers (their support, time, willingness to help etc), resources, facilities etc. but the cohort just isnt bright.

It's kind of the same as "David has invented a game for one person. He throws two ordinary dice repeatedly until the sum of the two numbers shown is either 7 or 9. If the sum is 9, David wins. If the sum is 7, David loses. If the sum is any other number, he continues to throw until it is 7 or...