Edit an equation with an online  equation editor is the question of the day. Again, resources on the internet are available. They allow, not to solve a problem, but at least to write and edit an equation like the following To elaborate this kind of digital work, you need a specific text editor called latex, which is more like a computer code. This code is  incomprehensible to the average person. Fortunately, the two following  tools will make your life easier sciweavers.org/free-online-latex-equation-editor Step 1 : Just click on the mathematical symbols and you get the latex code.  Step 2 : clic convert : and you get a code to embed or a...

A compilation of 18 online clocks. Some are really usefull, but most of these online clock have been made by geek artists.  Googleearthclock.cwandt.com This clock takes its number from from google earth. This is sometimes difficult to read, but it’s fun to watch Thecolourclock.co.uk The ultra geeky clock ,its converts the time in hexadecimal , even a geek can not read this type of clock Time.is This is the place to check , wether or not your computer clock  is properly set. tc.nantoka.com The clock of a twitter addict that also indicates the periods you twitt most during the days and weeks. toki-woki.net Just of the fun of scrolling !...

Painting online has many advantages. It is free, funny and sometimes you can do art in a blink of an eye. This selection of free online painting application is a good way to create digital art. Then, as it is your own art, you can just use your paintings within your blog or your commercial site without paying royalties. Some application are very sophisticated and if you wand a good result you will have to spend hours to reach a certain level of quality. My favorite is Sumopaint which I use on a regular basis. You may as well start with another online software and then import the result to your favorite photo editing tool....