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Neighbourhoods |
1996-02-14 |
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Robert pose la question :
What are neighbourhoods?
Harley Weston lui répond. |
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Euclid's Pythagorean proof |
1996-02-14 |
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Sean pose la question :
What is Euclid's proof of Pythagoras' theorem?
Harley Weston lui répond. |
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Stairs |
1996-02-12 |
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Marianne and Carrie pose la question :
How many ways can you run up a flight of stairs?
Denis Hanson lui répond. |
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What is the variance of the difference of two binomials? |
1996-02-08 |
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Chris Johnson pose la question :
My co-workers and I have come up with different estimates of the z-statistic, and are in particular disagreement over the calculation of Variance for this problem. I am trying to find out, with a five percent level of significance, whether the new form yields a higher rate of return than the old form. Any thoughts, comments, or solutions?
Harley Weston lui répond. |
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Converting to other bases |
1996-02-06 |
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Paul pose la question :
Converting base 10 numbers to other bases
Penny Nom lui répond. |
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Number of factors |
1996-01-30 |
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Chrissy pose la question :
What number has exactly 13 positive factors?
Penny Nom lui répond. |
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Trig identities |
1995-11-30 |
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Azmat pose la question :
Why do we work on the two sides of a trig identity separately?
Harley Weston lui répond. |
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(-3)x(-2) |
1995-10-25 |
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Azmat pose la question :
Why is (-3)x(-2) = 6?
Herley Weston and Ed Giesbrecht lui répond. |
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Complex numbers |
1995-10-22 |
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Jacquie pose la question :
Why should we teach complex numbers in high school?
Harley Weston lui répond. |
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Magic Square |
1995-10-20 |
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Marianne and Carrie pose la question :
How can an 8 by 8 square have the same area as a 5 by 13 rectangle?
Denis Hanson lui répond. |
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What is the golden section? |
1995-09-17 |
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Cindy pose la question :
What is the golden section of a line?
Denis Hanson lui répond. |
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