In this lesson we copy and paste all the code from style tag into an external css style sheet, then refer to the style sheet in the code of our index page. This way if we update the style sheet it updates all of the pages on the website referring to the style sheet.
In this lesson we talk about how to find the argument of z – the angle between the line segment joining the origin to z and the positive x axis.
My kung fu teacher’s daughter doing a trick on me!
In this lesson you learn how to insert tables in HTML – a very important way to organise information in webpages.
Just a simple matchstick puzzle I’ve done in class for the last 12 years. Have fun!
In this lesson we talk about how to find the modulus of a complex number.
Another trick question where you must walk through a door. The answer is surprisingly easy but it’s surprising nobody I’ve come cross has come up with it on their own..
In this lesson we talk about how to insert images both using the source file on the server or another file that’s already on the Internet (make sure you have the copyright). You also can change the height, width, and alignment of the picture, as well as adding a description of the picture in case …
You have 10 bags of 1kg gold bars, however in 1 bag the gold bars are only 0.999kg. How do you find out which bag it is with ONLY one reading on the scale?
In this lesson you will do a quiz that requires you to find the value of unknown variables using the concept that the real part of the left hand side equals the real part of the right hand side, and that the imaginary part of the left hand side equals the imaginary part of the …