Melody

@@ End of Day Wrap  Thurs 16/4/15 Sydney, Australia Time 1:25am   (Really Fri) ♪ ♫

 

Hi all,

 

This is a historic day. The first day of our new wrap thread.  It would have been nice to start it on one of the forum anniversary dates but they are all too far away.  

It is my birthday today but that is almost a coincidence.

 

As always there were many great answers today.  These were authored by SamHenry, Bertie, CPhill, Badinage, MathsGod1, Natthada, Geno3141, sasini, Civonamzuk and Heureka.  Thank you, you are all wonderful. :)

 

Interest Posts:

 

FTJ means "For the Juniors"

1)     Forum humour - I thought this was really funny                   Thanks guys esp MG

2)     How do you construct an inscribed square.     FTJ                Thanks Geno

3)     When is cosec theta = 0                                                        Thanks Geno and Melody. 

4)     Probabilities - very nicley displayed in a table.                     Thanks Alan.    

5)     What is the probablity of something NOT happening? FTJ     Thanks Anon

6)     Probability - not super difficult                                                Thanks Alan

7)     A 'funky' inequality                                                                 Thanks CPhill and Melody.   

8)     The square root of -1                                                             Melody and anon.

9)     Solving a polynomial inequality                                              Thanks CPhill and Melody.   

10)     A fun little equation problem.                                               Thanks CPhill                          

11)     How can you tell if a number is divisable by 3?                    Thanks CPhill and Sasini      

12)     Rule of 72 for compound interest.                                       Thanks CPhill

                                                    

                    ♫♪  ♪ ♫                                ♬ ♬ MELODY ♬ ♬                                 ♫♪  ♪ ♫

 

I am testing to see if i can edit this old post  17th Jan 2016

 

THE WRAP HAS CHANGED ITS ADDRESS!

NOW IT IS HERE !

 

http://web2.0calc.com/questions/end-of-day-wrap-2

 

 

Fri 17/4/15

FTJ means "For the Juniors"

1)     Birthday fun                                                              Thanks Guys  you all made my day.

2)     Differentiate  y=ka^x                                               Thanks CPhill and Melody.

3)     An error in the calc has been discovered                 Thanks Anon 

4)     Probabiliy with dice      Middle high level                   Thanks CPhill

5)     Quadratic Equation with trig                                      Thanks Heureka

6)     Difficult function question                                          Well I tried but I didn't get anywhere 

7)     Complex numbers, polar notation                             Thanks Bertie  

8)      Directed numbers  Adding negative numbers          Thanks Badinage and Melody

9)      F12 - looking at the HTML code.                               Good question from Zac.

10)    Simultaneous equations (setting up and solving)      Melody            

11)    Geometry of triangle - Difficult                                   Thanks Bertie

12)    Confidence interval for Bernoulli Distribution              Thanks Bertie

13)   Solve   -log(t)=0.64t                                                  Thanks Bertie      

                           

                    ♫♪  ♪ ♫                                ♬ ♬ MELODY ♬ ♬                                 ♫♪  ♪ ♫