Postcards!

For anyone who likes looking at postcards or collects them, I am posting the ones I have (and people have sent in) here http://bit.ly/9j8Yc9

Fibonacci Sequence

Once again, thanks to the TV Show Numbers, I got a refresher from my old math course. This time, it is on the Fibonacci Sequence.

In mathematics, the Fibonacci numbers are the numbers in the following sequence:

0,1,1,2,3,5,8,13,21,34,55,89, 144 etc.

By definition, the first two Fibonacci numbers are 0 and 1, and each subsequent number is the sum of the previous two. Some sources omit the initial 0, instead beginning the sequence with two 1s.

The Fibonacci sequence is named after Leonardo of Pisa, who was known as Fibonacci (a contraction of filius Bonacci, “son of Bonaccio”). Fibonacci’s 1202 book Liber Abaci introduced the sequence to Western European mathematics, although the sequence had been previously described in Indian mathematics.

Read more at Wikipedia

Occam’s Razor

I first heard about Occam’s razor (or Ockham’s razor) on the show Numbers. Since then, I have been interested in the theory. It is the principle that “entities must not be multiplied beyond necessity” (entia non sunt multiplicanda praeter necessitatem). The popular interpretation of this principle is that the simplest explanation is usually the correct one. Simplest is not defined by the time or number of words it takes to express the theory; “[simplest] is really referring to the theory with the fewest new assumptions.

(From the Original Erica Was Here)

More information at Wikipedia

How Do You Use MS Excel?

I have a task to accomplish. I need to learn Excel better. I can do things such as sort, add columns together, etc. But, I want to go farther. I rarely use it, and I am trying to think of some reasons to use it more frequently.

So, I want to ask you – the reader – do you use MS Excel at home? In the Office ? In what ways do you use Excel – as a budget spread sheet? To keep a tack of photos ? To keep inventory?

Let me know how you use it, I want to try some new ways of using it.

Thanks!
Erica

Printable Ruler

An easy printable 1 foot ruler to download and measure with. Measurements in standard and metric.

File is a *pdf and requires Adobe Acrobat.

  Erica's Ruler (1.3 MiB, 24 hits)