Typesetting Math multiplication
There are several different ways to express multiplication in Mathematics. As \LaTeX is (or can be) used to typeset mathematical and scientific expressions. The following may be useful.
In general we use the $\ce{\times}$ symbol to express multiplication, for example 12 $\ce{\times}$ 6
This can be type set using
12 $\ce{\times}$ 6
However it may also be expressed with * in which case we just use
12 * 6
In algebra, this can be expressed as:
AB
Where A is 12 and B is 6
However you may come across the use of a dot
12 $\ce{\cdot}$ 6
In which case we use
12 $\ce{\cdot}$ 6
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#LaTeX,#TypeSetting,#Maths,#Science,#Notation
This could be useful for typesetting the notation we used in the November stem group meeting for determining the speed of light
Code Club 18/11/2023 Write up
Another busy session today, stared off taking a netbook apart to remove the fan, so that we could use it to replace a faulty fan in another netbook. This all went fine, we now have more spare parts in the box.
We also installed windows on 2 netbooks, had a go at installing FreeBSD but got stuck, this is one thing I am not too sure on, we ended up on an installer screen asking about RAID devices.
I also got to do some electronics, and have identified some more resources I need for the next session.
We also had a new attendee who may be able to bring some friends on the 25th. So all good stuff.
We are trying to find out if we can still download an older ISO file for Xebian 2022. The website just has xebian 2023.
I have added more links below to try and reflect our current set of activities.
Useful Links
Next Code Club
The next code club is on 25/11/2023
Tags
#CodeClub,#Python,#HourOfCode,#Scratch,#Minecraft,#Themes, #Java,#Programmng
Code Club 25/11/2023
The next Paignton Library code club is an extra session on Saturday 25th November 2023, 10 am to 12:00. We will carry on with coding, help new attendee, and do more work on the netbooks.
We may look at FreeBSD, and Ventroy or at least figure out which ISO we would like a multi-boot installer for.
I have added more links below to try and reflect our current set of activities.
Useful Links
Next Code Club
The next code club is on 2/12/2023
Tags
#CodeClub,#Python,#HourOfCode,#Scratch,#Minecraft,#Themes, #Java,#Programmng
Code Clubs in Torbay
I have been running a Code Club, for several years. When this first started up, it was run by a teacher, who saw the young people attending were quite proficient, so allowed them to do their own projects and supported this.
Since I took over, this has pretty much carried on. New users now have access to a wider range of activities, we can use the code club materials as either activities or reference guides to help with other projects.
I think there is a real opportunity for Torbay and we NEED more Coding clubs in Schools.
For this to happen, there needs to be three things.
- Venue
- Learners
- Volunteers to run the sessions
If any schools are interested, please go to the Code Club and sign up your school and flag you are looking for volunteers, you may want to chat to the pupils about this first to get a group who are interested.
As code club requires working with children and young people, then DBS checks are required in the UK. Schools can either find staff to run the club or contact Graphic Science who are coordinating the Ambassador programme in the South West.
Potential volunteers can also contact the above to sign up, complete the sign up process and then sign up to the code club website and find a school to help at.
Lets get Torbay coding
Advanced Programming in the #UNIX Environment
This was posted to the Fediverse by Jan Schaumann, @[email protected]
- Course website with all sample code and exercises here:
- Course videos
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Plastic waste
Interesting article on Knowledge magazine, looking at solving the plastic waste problem
We need more thinking like this that leads to action and results rather than simply keep talking about it.
Study STEM and be part of the drive to develop solutions.
Links
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Free BSD
FreeBSD 14.0 is due for release very soon, you can find out more from here. The home page will show 13 as legacy and 14 as production once release is completed.
I will update the ventoy usb stick with the latest version in due course.
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Code Club 18/11/2023 Ventoy
As Paignton Library code club is more advanced than normal code clubs, I undertook some research in to how to create multiboot USB sticks.
Problem
The average ISO file for a Linux ( or similar ) distribution is usually < 4gb, as we have USB sticks larger than 8, in fact I have a few 16 and the library just sent for some 32gb sticks, having 1 ISO per stick is rather wasteful.
Research and solution
My research led me to a tool called Ventoy this is a small, open source program that, when run, creates file system on the target USB stick to facilitate booting more than one installer.
Notes and warning
The target USB stick will however be Formatted and all data wiped as the program is windows, I used an old netbook with windows still installed to do this.
Current status
ISO files can be added / removed as required. So far I have a 16gb usb stick with :-
Debian 12 Linux mint 21.2 xfce RescaTux.
With space for more. This has also feed up some of my USB sticks.
This should be good going forward, so hopefully we can have one or two installer disks, and free up the other USB sticks for data.
The following image is from the Ventoy Boot Menu.
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