Archive for the ‘Mathematics’ Category

Today is “e” day

7 February 2010

The number e is an important number in math. It arises in many diverse problems.

Read the rest of this entry »

Graphs using free math software

2 February 2010

Do we still need to graph on paper, or should we use free math graphers instead?

Read the rest of this entry »

Math of drugs and bodies (pharmacokinetics)

1 February 2010

Why do doctors say “take 1 tablet every 3 hours”? How long does it take a drug to be absorbed?

Read the rest of this entry »

Math and color blindness

25 January 2010

What’s the best way to present math so color blind people can read it?

Read the rest of this entry »

Camera purchase decisions – how math helps

11 January 2010

A site selling electronics uses math concepts to help customers decide.

Read the rest of this entry »

Friday math movie – George Dyson at the birth of the computer

8 January 2010

early-computerThe story of one of the most important inventions ever.

Read the rest of this entry »

Arc length for the inner curve of a window

6 January 2010

A glass manufacturer asked me how to find the length of the inner arc of a circular window frame.

Read the rest of this entry »

Math graphs on the Web without images

4 January 2010

ASCIIsvg graphsHere’s one way to plot good looking graphs on the Web – ASCIIsvg.

Read the rest of this entry »

New names for the days of the week

30 December 2009

Perhaps it’s time to move away from the ancient names used for the days of the week?

Read the rest of this entry »

Classic math mistakes

21 December 2009

you need to find the mistakeDisplaying posters of math mistakes can actually help students to learn.

Read the rest of this entry »