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  1. Haris Bin Zahid

    Difference between reading/writing in binary/text format

    I need someone to elaborate the difference between reading/writing to a file in binary and text format. CIE mark schemes show that the binary method is preferred. But what exactly is the difference between the two? I have scarce knowledge about this and only know that it is somewhat related to...
  2. Haris Bin Zahid

    Heron's formula

    How to calculate the area of a triangle using Heron's formula? I've seen it in the marking schemes and I don't quite get how it works. So I want anyone to elaborate this technique. Saad Mughal mohdumar
  3. Haris Bin Zahid

    Additional Mathematics; Post some challenging questions here

    I'm unable to solve a relative velocity question. Have a try at it and post your solution here. Q. A footballer C runs at a speed of 5 m/s, with the ball close to his feet, in a straight line towards the point (0,0). At the instant when he passes through the point (15,20), another footballer D...
  4. Haris Bin Zahid

    Cambridge Outstanding Learner Awards 2012

    CIE will be producing an awards brochure which provides the details of the Outstanding Cambridge Learners in Pakistan for the June 2012 examination series. This will be published at the End of February. However, the examination centres will be informed in the first two weeks of February. There...
  5. Haris Bin Zahid

    Islamiat notes

    I'm sharing some Islamiat notes which I myself made for personal study last year. They contain topical questions (2002-11) and much more data, which might be helpful to candidates appearing for the exam this year. The practice papers may come in handy while you're doing the final preparation...
  6. Haris Bin Zahid

    Igcse active books available (here)

    The active books for Edexcel IGCSE Physics, chemistry, biology, economics and accounting along with answers are available. Please follow the link: http://nzkhanew.wikispaces.com/Edexcel IGCSE Student Books
  7. Haris Bin Zahid

    Igcse chemistry coursebook CD-ROM material

    Anyone of you may have bought the Cambridge endorsed Chemistry coursebook for Igcse. Please can he/she post the CD material which comes with it? I need it desperately.
  8. Haris Bin Zahid

    Relative Velocity: ALL book exercise Qs and past papers SOLVED!

    The document below contains solutions to all Relative velocity's questions given at the end of book's * exercise and past papers from 2002-2010. Enjoy! * New Additional Mathematics by Ho Soo Thong and Khor Nyak Hiong
  9. Haris Bin Zahid

    Relative Velocity: ALL book exercise Qs and past papers SOLVED!

    The document below contains solutions to all Relative velocity's questions given at the end of book's * exercise and past papers from 2002-2010. Enjoy! * New Additional Mathematics by Ho Soo Thong and Khor Nyak Hiong
  10. Haris Bin Zahid

    Important Information for Add. Maths Candidates

    It is to inform all IGCSE / O Level Additional Mathematics candidates that from June 2013, there will be no choice of question on either paper. The last question will no longer consist of two alternatives, but of a single question. However, there is no change in the mark allocation to the...
  11. Haris Bin Zahid

    Add. Maths modulus function range

    State the range of the function: f(x)=-|x-2| for the domain -2<=x<=4. Plz anyone answer this question.:)
  12. Haris Bin Zahid

    CIE June 2012 candidate grades Statistics

    The grade statistics for may/june 2012 session have just been released.
  13. Haris Bin Zahid

    Talking calculators?

    Think of a date in your mind. Punch the 3 or 4 digit number into the calculator. For example February 14th would be punched in as 214. December 4 would be 1204. (Be careful about the format). Next, use the calculator to:  Multiply the number by 2.  Add 7.  Multiply that number by 50.  Add...
  14. Haris Bin Zahid

    Pure Mathematics by S.L Parsonson

    Is this book useful for calculus?
  15. Haris Bin Zahid

    That trophy was ours!

    Bad news for Pak cricket fans. We're gonna share the U-19 Asia Cup Trophy. Beating the arch-rivals would have brought fame for us and shame for them!;)
  16. Haris Bin Zahid

    Add. Maths help

    Can anyone plz scan and post pg 15 of 'New Additional Mathematics' Book? Wil be really grateful. Actually I have a pirated book and I don't get a clue about the shaded part on the venn diagrams here.
  17. Haris Bin Zahid

    Chemistry doubt

    Which compounds are insoluble in sulphuric acid?
  18. Haris Bin Zahid

    Download all files on a webpage in a single click

    AOA Wr Wb. http://jdownloader.org/download/index Install jdownloader and it lets you download everything in a single click. No need to waste time on downloading files one by one (e.g past papers on xtremepapers). Add the URL to the jdownloader and then select a destination folder for your files...
  19. Haris Bin Zahid

    Reading Quran with Tafsir

    Here is a good website. Visit it regularly and deeply understand the meaning of the Qur'an: http://www.quran4u.com/Tafsir%20Ibn%20Kathir/Index.htm
  20. Haris Bin Zahid

    Awesome mental maths trick!

    Ok, I have a few mental mathematics tricks which are really useful! Here is one: Deriving a cube root in mind within seconds (No matter how large the number)! This strategy is good to show off with because no one would believe you could figure these equations in your head! ;)It is also one...
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