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  1. Saad Mughal

    Heron's formula

    Oh. Good that you found out now. Practice it. It will be really really helpful, I'm sure.
  2. Saad Mughal

    Computer Studies Notes + Tips + Queries

    Oh sorry. I read time hee nhi hota. :oops: Manual input because humans are involved. It's not "automatic".
  3. Saad Mughal

    Heron's formula

    Oh, I just searched. This is not Heron's formula. o_O This is Heron's formula, http://www.mathsisfun.com/geometry/herons-formula.html However, whenever I find the area of a triangle, I use this method, it's the determinant method I think but it always works! :D
  4. Saad Mughal

    Heron's formula

    You didn't really know this method? :eek: No problem. :) It's good that you asked because this is a very easy, effective method and saves a lot of time.
  5. Saad Mughal

    Heron's formula

    From what I know, No. Because, I tried this ONCE and got a wrong answer, so I always take it like ABC (A first, B second, C third).
  6. Saad Mughal

    Computer Studies Notes + Tips + Queries

    You're kidding, right? I find paper 1 to be so short with such a long time duration. :P
  7. Saad Mughal

    Heron's formula

    I hope you understand the drawing, I'm kinda bad at this paint thing. So, here it is. The Heron Formula, you can use it FOR ANY polygon, just remember that the (1/2) always come in the formula and the first vertice is always repeated by the end. Hope that helps! :)
  8. Saad Mughal

    Computer Studies Notes + Tips + Queries

    Look, I read this in some examiner tips that it is ALWAYS a waste of time when candidates provide more than the amount of reasons required. If they say, 2 reasons, then write 2 reasons. However, if there is a 3 mark question for Description, Explanation or Reasoning then you should write 3-4...
  9. Saad Mughal

    Computer Studies Notes + Tips + Queries

    No. The first three points are checked.
  10. Saad Mughal

    Maths, Addmaths and Statistics: Post your doubts here!

    You could either SUBTRACT the possibility of numbers less than 3000 from all the choices. Or you could set the first digit from any of the following; 3,4,5,6. The two methods are: All choices = 6P4 = 360 Less than 3000 = 2 * 5P3 = 120 Number of digits = 360 - 120 = 240. OR, The first digit can...
  11. Saad Mughal

    Patanhi tb kitni zyada hojayengi. :O

    Patanhi tb kitni zyada hojayengi. :O
  12. Saad Mughal

    Computer Studies Notes + Tips + Queries

    Yes. All booking systems are real time transaction processing, since the availability of the seat/tour has be immediately marked to booked or reserved to avoid double booking.
  13. Saad Mughal

    Maths, Addmaths and Statistics: Post your doubts here!

    This is in our book as well. It is very brain draining since it involves using a number of right-angled triangles and assumptions to calculate the vectors. Questions like these don't come in CIE for obvious reasons. http://mathforum.org/library/drmath/view/55029.html I searched and found this...
  14. Saad Mughal

    Maths, Addmaths and Statistics: Post your doubts here!

    Then, (1-3x)(1+6C1 ax + 6C2 a^2x^2+ ......) Coefficient of x^2 = 1(6C2)(a^2) - 3(6C1)(a) 24 = 15a^2 - 18a Simplifying, 5a^2 - 6a - 8 = 0 5a^2 - 10a + 4a - 8 = 0 (5a+4)(a-2) = 0 Since a is positive, a -2 = 0 a =2
  15. Saad Mughal

    Maths, Addmaths and Statistics: Post your doubts here!

    Are you sure that the coefficient of x^3 is given? Isn't it x^2?
  16. Saad Mughal

    Computer Studies Notes + Tips + Queries

    Well, they almost always do come. Spreadsheets and Algorithms come almost every year and Logic gates, Databases and Flowcharts almost every other year.
  17. Saad Mughal

    Computer Studies Notes + Tips + Queries

    It's like checking for the devices and whether they require are ready to the processor's orders or not. It is the continuous checking of the status of a device, such as a printer, to check if it is ready to perform the task that is to be given to it by the computer. For example, when you're...
  18. Saad Mughal

    Alert aya tha. Kya karun. :P

    Alert aya tha. Kya karun. :P
  19. Saad Mughal

    Computer Studies Notes + Tips + Queries

    Patanahi. :p
  20. Saad Mughal

    Computer Studies Notes + Tips + Queries

    Konse points?
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