Never heard of it until this year. I've been using it to construct diagrams for my students ever since I started using it. Great software, very easy to use compared to drawing graphs in latex.
Re: HSC 2017 Maths (Advanced) Marathon
\begin{align*}T_{50}&=S_{50}-S_{49}\\&= 249-233\\&= 16\end{align*}
edit: My bad, didn't see there was an answer already
Hey there!
I think everyone has been through this situation before. The stage where you are not motivated to do anything will persist until you do something or you experience some event that will jolt you to action. From experience, one way to get out of this period of inaction is to read some...
Re: Personalised 3U/4U maths tutoring – Teaching you more than just maths
Here is a post that will help you to stop procrastinating once and for all: http://community.boredofstudies.org/1178/general-discussion-2017-hsc/358669/how-dig-grave-your-procrastination.html
Organisation
Imagine that you have a magic genie that organises your life for you. When you ask him what you need to do for today, he will go back to his vase and come back out with the things you need to do. If you ask him what you need to do for the next 30 days, he comes up with all the...
Defeating Procrastination
Ah, procrastination. The beast that gobbles up your time with or without your awareness. The elusive creature that was borne out of the interplay between our consciousness and unconsciousness. The disease that has plagued students and non-students alike. This will be...
Without a teacher to show you the scope of the content, it will be quite difficult to judge how much you need. You can cultivate this judgement yourself by doing lots of exam style questions and meticulously checking your answers against the marking criteria which will often outline the...
For maths, I definitely recommend writing short summaries of the notes, instead of typing them up. There are a few reasons to this. Firstly, typing up maths properly takes a lot longer than just writing them down. Secondly, the extra time that would be needed to type up the maths would be better...
Re: Year 11 Mathematics 3 Unit Cambridge Question & Answer Thread
@books: Here is q9. Try to attempt the other questions again. http://imgur.com/KNGlrhH
@iso: https://imgur.com/a/4kQbG
Re: Personalised 3U/4U maths tutoring – Teaching you more than just maths
Holidays are here. Take advantage of this holiday to get ahead so you can start school next year with ease.
Intro
Are you putting a lot of time into studying maths but aren't getting the results that you should be getting? Or you find that your time slips away without you even realising it? Studying well is a skill. It's a skill that should be taught in schools, but is not. Just by putting raw hours...