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HP Programmable Calculator

Stunning Hewlett Packard Programmable calculator emulation, that features reverse Polish notation.

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Recent Articles

Hostile server blocking – eliminate ads and other nasties, free

2024-04-15 Journal
Backup strategies

2024-04-09 Electronics General Journal Linux Technology
MM866 – an affordable gobo projector

2024-04-07 Journal
Testing memory cards

2024-02-07 Electronics General Journal Linux Photography Technology
Preventing cable connectors from falling out of cameras

2024-01-20 Journal
Make your own “monostick”

2024-01-19 General Journal Photography Technology
How I mounted my 120-year-old Bausch & Lomb + Beck lens

2024-01-12 General Journal Photography Technology
120 year old Bausch & Lomb + Beck lens, in action, on Portsdown Hill

2024-01-05 General Journal Photography Technology
Making a 120-year-old Bausch & Lomb + Beck lens work on a modern mirrorless camera

2023-12-29 General Journal Photography Technology
Merry Christmas 2023

2023-12-24 Journal

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Articles by Simple List

Hostile server blocking – eliminate ads and other nasties, free 2024-04-15
Backup strategies 2024-04-09
MM866 – an affordable gobo projector 2024-04-07
Testing memory cards 2024-02-07
Preventing cable connectors from falling out of cameras 2024-01-20
Make your own “monostick” 2024-01-19
How I mounted my 120-year-old Bausch & Lomb + Beck lens 2024-01-12
120 year old Bausch & Lomb + Beck lens, in action, on Portsdown Hill 2024-01-05
Making a 120-year-old Bausch & Lomb + Beck lens work on a modern mirrorless camera 2023-12-29
Merry Christmas 2023 2023-12-24
The Big Russian – my MTO 1000 mm catadioptric lens 2023-11-12
Latest BBC HLS Radio streams 2023-10-29
BBC Radio Streams – update 2023-10-28
BBC deliberately breaks its internet radio service 2023-10-26
Donald Trump’s court calendar 2023-09-07
Whatever happened to the Wagner Rebellion? 2023-06-24
Wagner Group rebellion presents further serious difficulties for Putin 2023-06-24
Simple street photography 2023-06-18
Bye Bye Boris, again 2023-06-15
USB Type D 2023-04-01
Is AliExpress any good? 2023-02-10
Multifunction USB rechargeable LED light 2023-02-01
A very near miss 2023-01-27
More about my new Ultrastar 20 TB hard disk backup system 2023-01-20
Nurses noisy but good-humoured protest 2023-01-19
UA1101l power storage unit 2022-12-27
Merry Christmas 2022 2022-12-24
Sonos alternative 2022-12-17
Brass monkey weather 2022-12-14
BR-9C combined Geiger counter and EMF meter – initial impressions 2022-10-27
Rishi Sunak – yet another unelected pro-Brexit British prime minister 2022-10-24
Blown lithium battery 2022-09-30
Kwasi Kwarteng’s kwazy budget 2022-09-27
Whole house Wi-Fi using a single access point 2022-09-23
Queen Elizabeth II dies. 2022-09-08
Dim Lizzy for PM 2022-09-07
Synthetic stupidity – or one man and his cabbage… 2022-09-04
Another honest Government Ad 2022-08-22
The secret documents at Mar-a-Largo 2022-08-13
Brexiteers’ irrational aversion to the Metric System 2022-08-06
All your base 2022-08-01
What about WEBP? 2022-07-29
Solar storm on the hottest day 2022-07-17
Bye Bye Boris 2022-07-08
Lens repair – Tamron 14mm-150mm 2022-07-03
A fully loaded miniature stainless steel router rack 2022-06-27
The day I rescued a stag beetle 2022-06-01
I want to move to Linux, so where do I start? 2022-05-28
Light meter 2022-05-27
Moggy takes a dip 2022-05-27
E73 Tunnels 2022-05-07
Studio flash power usage 2022-05-06
Studio refurbishment 2022-05-01
TV versus on-line video sites such as Youtube 2022-04-16
Reintroducing Storks to Britain 2022-04-08
Hey, Hey, Rise-Up 2022-04-08
Szofi come home 2022-04-07
Fed up with wall warts? 2022-03-20
As bent as a nine-pound note… 2022-03-14
Image processing using FOSS 2022-03-06
Long Live Ukraine | хай живе Україна 2022-03-05
Tunnels 2022-02-24
Benbo Trekker 2022-02-21
A fairly narrow escape 2022-02-20
Facebook’s fortunes on the turn… 2022-02-03
Fixing Flatpak public key error 2022-02-01
My shiny new 20 TB Ultrastar hard disk 2022-01-28
Merry Christmas 2021 2021-12-25
Holder for my ruggedised smartphone 2021-06-25
Is a smartphone a substitute for a proper camera? 2021-05-21
Stag Beetle Larvae in my garden 2021-03-30
GNU’s not Unix? If not then why not? 2021-03-11
Another update: Raspberry π4 for Zoneminder part 3 2021-02-01
Why I quite like USB C 2021-01-31
Trump memes collection 2021-01-20
Countdown to the end of Trump 2021-01-18
Fixing a damaged SD slot 2021-01-16
Removing tricky screw thread lens filters 2021-01-15
Merry Christmas 2020 2020-12-24
Update: Raspberry π4 8GB for Zoneminder part 2 2020-11-30
Raspberry π4 8GB for Zoneminder 2020-11-24
Good riddance to Orange Blotus 2020-11-07
Remote shooting using “IP Webcam” software. 2020-11-03
A surprisingly straightforward studio flash repair 2020-11-01
Clevo N150CU running GNU/Linux 2020-09-05
Ulefone 3w ruggedised smartphone 2020-07-01
Why does Google think I’m at Barnard Castle? 2020-05-27
Sliderule – the eco-friendly computer from days of old 2020-05-11
Backups: NAS vs external hard disk 2020-05-04
Home made light modifier 2020-05-01
Virtual backdrops and wallpapers 2020-04-16
Roamer Ten 2020-04-05
Sony ICF2001 2020-04-03
Working from home during the current crisis 2020-03-25
First day of National Lockdown 2020-03-24
Coronavirus misinformation 2020-03-23
Shattaf – a healthy solution to the toilet roll shortage 2020-03-22
Covid 19 “Honest Government Ad” 2020-03-21
Reliable COVID-19 information 2020-03-20
Batch processing in GIMP 2020-02-29
Merry Christmas 2019 2019-12-24
Safer modelling lights for Chinese flash head units 2019-11-20
BREAKING: Brexit voters to be to pay extra “Brexit Tax” to pay for leaving the EU 2019-04-01
What is a WebP image file, and how do I open one? 2019-02-11
Joomla closedown 2019-01-09
Welcome to the New Look GarfNet 2018-12-27
Merry Christmas 2018 2018-12-25
Temporary Shutdown 2018-12-24
Merry Christmas 2017 2017-12-25
Drunken bumblebees in our garden… 2017-07-30
Cheap but effective continuous studio lighting 2017-02-11
Setting up a home studio 2017-01-25
Merry Christmas 2016 2016-12-25
Converting inexpensive LED flood lights for use in the studio. 2016-12-20
Repairing an elderly Tamron 80-210mm lens 2016-06-10
Merry Christmas 2015 2015-12-23
Merry Christmas 2014 2014-12-24
Server updates 2014-10-09
“This Is HansinUngarn, from Pécs Hungary…” 2014-01-10
Merry Christmas 2013 2013-12-24
Having a Gander 2013-09-08
Eighteen Years of GarfNet 2013-08-18
Merry Christmas 2012 2012-12-25
Merry Christmas 2011 2011-12-11
Merry Christmas 2010 2010-12-25
Novatech X16 Pro | Clevo W76TUN review 2010-01-09
Merry Christmas 2009 2009-12-24
Novatech/Clevo E16 & X16 Wireless Networking under Ubuntu Linux 2009-12-09
Trying to buy a PC without Windows part 6 – Lenovo 2009-11-27
Trying to buy a PC without Windows part 5 – Acer, the most shameful response so far 2009-11-26
Struggling to make Ubuntu look good 2009-10-23
Stop software patents in Europe 2009-09-26
Upgrade to 64 bit Goosebuntu (9.04 & 9.10)(Jaunty & Karmic) 2009-09-01
Upgrading Ubuntu 9.x to Kubuntu 9.x 2009-09-01
Trying to buy a PC without Windows part 4 – eBuyer 2009-08-09
Update – Laptops Direct 2009-07-14
Why we object to the Microsoft Windows Tax 2009-07-14
Surely Ubuntu Linux is only for a minority of geeks & programmers? 2009-07-12
Update – Dell 2009-07-11
Trying to buy a PC without Windows part 2 – Laptops Direct 2009-07-11
I want to try Linux, is it best to dual boot? or what? 2009-07-10
Trying to buy a PC without Windows part 1 – Dell UK 2009-07-10
Trying to buy a PC without Windows part 3 – PC World 2009-07-09
My Ubuntu sound system suddenly stopped working. Can I restart it without rebooting? 2009-07-09
It’s war! 2009-07-09
How do you install Google’s Chromium browser on (K)Ubuntu Linux? 2009-07-09
What is the best media player for the GarfNet internet radio tuner? 2009-07-08
It works! 2009-07-07
Internet radio tuner 2009-07-03
What is LAMPP? 2009-06-29
Which CMS has GarfNet chosen and why did you choose it? 2009-06-29
Would you use Debian on a desktop or laptop PC? 2009-06-29
Why is Garfnet moving from a hand written site to a contact managed one? 2009-06-29
Didn’t you use another Linux at one time? 2009-06-29
Which Linux ‘flavour’ did you choose and why did you choose it? 2009-06-29
Why is GarNet using Linux? 2009-06-29
What is the ‘Millennium Team’ doing now? 2009-06-29
Is the New Millennium available in an archive? 2009-06-29
What happened to the New Millennium ezine? 2009-06-29
What does VISTA mean? 2009-06-29
Joomla 1.5 Bugs 2009-06-22
An apology 2009-06-22
Hot Spots 2009-06-10
Cleaning a camera CCD with a vacuum cleaner and a Lens Pen 2009-02-06
Is Linux a “disruptive technology”? 2009-01-26
Using VirtualBox to run Windows apps that will not run on WINE 2009-01-24
UK taxpayers can submit tax returns online using open source software 2009-01-23
Windows 7 – is it any good? 2009-01-17
Merry Christmas 2008 2008-12-20
How do I stop Google indexing a particular page on my site? 2008-12-20
Backing up using big, cheap hard disks and some nifty Unix tools 2008-12-10
How to upgrade to “Goosebuntu” – a fully loaded (K)ubuntu 8.xx (Hardy) system 2008-05-22
How to upgrade from Ubuntu to Kubuntu (version 8.xx – Hardy) 2008-05-22
Setting file & directory properties 2008-05-18
GNUCash – serious open source accounting software 2008-05-10
I can’t open Raw files from my digital camera 2008-05-04
Britain’s metrication fiasco 2008-04-14
My camera cards keep getting corrupted. Can I prevent this? 2008-02-16
Windows can’t read from my camera’s memory card 2008-02-16
gOS – has the Google vs M$ war just “gone nuclear”? 2008-02-02
Marriage of minds or just a shotgun wedding 2008-02-02
How to make (K)Ubuntu play copy-protected DVD’s, and… 2008-02-01
How to upgrade to “Goosebuntu” – a fully loaded (K)ubuntu 7.xx (Gutsy) system 2008-01-26
How to upgrade from Ubuntu to Kubuntu (version 7.xx – Gutsy) 2008-01-25
What is the difference between Ubuntu and Kubuntu? 2008-01-25
Coppermine “batch-add” hangs 2008-01-19
Hungarian rebels against the “Microsoft Tax” 2008-01-10
How to install CS-R20 software for Icom IC-R20 on Linux 2008-01-03
Icom IC-R20 radio scanner 2008-01-02
Merry Christmas 2007 2007-12-25
I want a really good website but I don’t want to pay for it! 2007-11-21
Wouldn’t it be better if there were only one Linux? 2007-11-16
2007-11-07 XO (one laptop per child) rolls of production line 2007-11-08
Cannot upgrade from Feisty to Gutsy 2007-11-04
Please may I have GarfNet Pictures account? 2007-11-01
Ok so I installed Ubuntu but I hate the Gnome desktop? 2007-10-26
Buying tips 2007-10-12
Will Google be the new Microsoft? 2007-10-11
What is the best image library management system for me? 2007-10-07
How does GarfNet manage its image library? 2007-10-07
Posting pictures on GarfNet Coppermine 2007-08-25
Another reason to be cheerful 2007-08-04
How to install PHPRunner 4.0 on Ubuntu Linux 2007-08-04
Windows applications running successfully on Linux using WINE 2007-08-01
Vista woes might lead us to better things 2007-07-31
Persuading ThumbsPlus for Windows to work on Ubuntu Linux 2007-07-30
FHS (File Hierarchy System) on Unix-like operating systems such as Linux 2007-07-29
Can I get my scanner | printer | copier | teamaker | etc. working on Linux? 2007-07-22
All fixed now! 2007-07-16
About Joomla 2007-07-16
Go Trabi Go! 2007-06-18
Merry Christmas 2006 2006-12-25
Happy New Year 2007 2006-12-23
WebOnCD 2006-06-05
The Open Source Revolution 2006-06-05
Fed up with Norton Antivirus? 2006-06-05
Web-footed web log 2006-03-29
What computer should I buy? 2006-03-23
What is a “Lifestyle Business”? 2006-03-23
Merry Christmas 2005 2005-12-25
The Mate (1982) 2005-12-07
The Way (1987) 2005-12-07
After Dark (1992) 2005-12-07
If Anyone Can (1996) 2005-12-07
Merry Christmas 2004 2004-12-25
Merry Christmas 2003 2003-12-25
The Tricorn Centre 2003-06-29
Merry Christmas 2002 2002-12-25
Merry Christmas 2001 2001-12-25
Merry Christmas 2000 2000-12-25
Merry Christmas 1999 1999-12-25
Merry Christmas 1998 1998-12-25
Merry Christmas 1997 1997-12-25
Merry Christmas 1996 1996-12-25
Merry Christmas 1995 1995-12-25
Merry Christmas 1994 1994-12-25
Merry Christmas 1993 1993-12-25
Merry Christmas 1992 1992-12-25
Merry Christmas 1991 1991-12-25
Merry Christmas 1990 1990-12-25
Merry Christmas 1989 1989-12-25
Merry Christmas 1988 1988-12-25

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