3D drawing software - Google Sketchup

Found this rather interesting (and free) software: Google Sketchup. Interesting because it enables you to draw in 3 dimension as well as manipulate it around to give you views from different angle.

Perfect for those who have trouble visualising 3D trigonometry problems.

Test your English

Take the test at http://www.helloquizzy.com/tests/the-commonly-confused-words-test.

Here's my result:

Your result for The Commonly Confused Words Test...

Advanced

You scored 93% Beginner, 100% Intermediate, 100% Advanced, and 73%
Expert!

You have an extremely good understanding of beginner, intermediate, and
advanced level commonly confused English words, getting at least 75% of each of
these three levels' questions correct. This is an exceptional score.
Remember, these are commonly confused English words, which means most
people don't use them properly. You got an extremely respectable score.

Thank you so much for taking my test. I hope you enjoyed it!

For the complete Answer Key, visit my blog:
http://shortredhead78.blogspot.com/.

Take The Commonly Confused Words Test at HelloQuizzy

A 'simple' maths problem

A teddy bear has a cost price of $18, and a selling price of $21. One day, a young man decided to buy that bear and gave the shopkeeper a $100 dollar bill.

Unfortunately, the shopkeeper do not have $100 change. Hence he went to change the $100 bill into smaller change from a passer-by and gave the change to the young man.

After some time, the passer-by realise the $100 is a fake and demanded his money back from the shopkeeper! The shopkeeper has no choice but to return $100 to the passer-by.

Question: how much exactly did the shopkeeper lost?