posts in English
By Carrie Lam, Academic Director, Teacher & Workshop Leader, Canada
“I really appreciate teachers who are truly passionate about teaching. The teacher who wants to be an inspiration to others. The teacher who is happy with his/her job at all times. The teacher that every other child in the school would love to have. The teacher that kids remember for the rest of their lives. Are you that teacher? Read on and learn 11 effective habits of an effective teacher.”
In this letter to Dr Andreas Schleicher, director of the OECD’s Programme for International Student Assessment, academics from around the world express deep concern about the impact of Pisa tests and call for a halt to the next round of testing. www.theguardian.com
It’s really nice, a must-have for all Spring-Drive fans: 
The only drawback is the price: around €32’000.
The SBGA103, with a price tag of around € 6050, is a more realistic attempt to possess such a beauty:
I found the page http://fooplot.com which plots nice function graphs in a fast and easy way. You might define the range for the input variable x as well as for the output y, and you can plot different function graphs on the same window with different colours. The following screenshot is from an example with a fitting curve and two interpolations.
Watch this video from Khan Academy.
Watch this video from Khan Academy.
Watch this video from Khan Academy.
The following might be useful if you scan some images and want to convert between formats.
Use mogrify from the ImageMagick package in order to convert more than one image at once from one format to another.
From PDF to JPG:
mogrify -format jpg -quality 80 -density 300 *.pdf
From JPG back to PDF:
mogrify -format pdf *.jpg
Step by step instructions based on personal experiences. Enjoy the 2:23 minutes video.
Watch more instructions around electricity on Mehdi Sadaghdar’s YouTube channel.
Watch this 10-minutes Video from KhanAcademy.