The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

Subscribe
- Entries (RSS)
- Comments (RSS)
November 2017

M T W T F S S

« Oct Dec »

1 2 3 4 5

6 7 8 9 10 11 12

13 14 15 16 17 18 19

20 21 22 23 24 25 26

27 28 29 30
Archives
- April 2018 (50)
- March 2018 (72)
- February 2018 (48)
- January 2018 (82)
- December 2017 (67)
- November 2017 (62)
- October 2017 (63)
- September 2017 (52)
- August 2017 (62)
- July 2017 (48)
- June 2017 (57)
- May 2017 (68)
- April 2017 (55)
- March 2017 (59)
- February 2017 (58)
- January 2017 (60)
- December 2016 (59)
- November 2016 (74)
- October 2016 (61)
- September 2016 (87)
- August 2016 (57)
- July 2016 (51)
- June 2016 (49)
- May 2016 (48)
- April 2016 (51)
- March 2016 (49)
- February 2016 (50)
- January 2016 (48)
- December 2015 (59)
- November 2015 (57)
- October 2015 (37)
- September 2015 (31)
- August 2015 (41)
- July 2015 (31)
- June 2015 (37)
- May 2015 (30)
- April 2015 (32)
- March 2015 (37)
- February 2015 (52)
- January 2015 (50)
- December 2014 (43)
- November 2014 (39)
- October 2014 (40)
- September 2014 (41)
- August 2014 (58)
- July 2014 (32)
- June 2014 (23)
- May 2014 (38)
- April 2014 (105)
- March 2014 (145)
- February 2014 (81)
- January 2014 (56)
- December 2013 (58)
- November 2013 (32)
- October 2013 (26)
- September 2013 (26)
- August 2013 (54)
- July 2013 (47)
- June 2013 (41)
- May 2013 (33)
- April 2013 (41)
- March 2013 (50)
- February 2013 (47)
- January 2013 (55)
- December 2012 (32)
- November 2012 (23)
- October 2012 (37)
- September 2012 (52)
- August 2012 (46)
- July 2012 (40)
- June 2012 (30)
- May 2012 (27)
- April 2012 (30)
- March 2012 (29)
- February 2012 (32)
- January 2012 (25)
- December 2011 (38)
- November 2011 (28)
- October 2011 (46)
- September 2011 (63)
- August 2011 (35)
- July 2011 (24)
- June 2011 (24)
- May 2011 (24)
- April 2011 (29)
- March 2011 (50)
- February 2011 (48)
- January 2011 (18)
- December 2010 (5)
- November 2010 (18)
- October 2010 (22)
- September 2010 (29)
- August 2010 (24)
- July 2010 (27)
- June 2010 (29)
- May 2010 (25)
- April 2010 (23)
- March 2010 (10)
- February 2010 (6)
- January 2010 (16)
- December 2009 (12)
- November 2009 (3)
- October 2009 (11)
- September 2009 (21)
- August 2009 (11)
- July 2009 (11)
- June 2009 (5)
- May 2009 (12)
- April 2009 (20)
*nix .NET About Apple C# C# 2.0 C# 3.0 C# 4.0 C# 5.0 Delphi Delphi 2010 Delphi XE Delphi XE2 Delphi XE3 Delphi XE4 Delphi XE5 Development Google LifeHacker Linux Mac Mac OS X / OS X / MacOS Personal Power User Scripting Software Development SuSE Linux Windows Windows 7 Windows 8

Recent Posts
Blog Stats
- 2,196,211 hits
Meta title
Tag Cloud Title

.NET Framework android Apple april 1st arts aviation batch file bitbucket blogging command-line computer Conferences c runtime library Delphi delphi 1 delphi 5 denial of service attack design DevDays09 documentation dos vulnerability education embarcadero flickr gadgets geeks gmail google google maps google search hash collision internet iOS iphone iphone 5 jeroen landmarks mac os x marc hoffman Media microsoft patches microsoft security bulletin microsoft surface mobile nick hodges nintendo nes path names pdf photography power button quest mode research rsync science scott hanselman severity rating software sourcecode language sourceforge ssd stack overflow technology transportation Travel twitter vcl vm VMware VMware Fusion VMware Workstation wget speedfan windows phone Windows XP wordpress xkcd
Top Clicks
Top Posts

My badges
Twitter Updates
- RT @cwbbakker: @arjenlubach ze hebben het voor elkaar gekregen iets ergers te maken dan die schaar die je niet zonder schaar uit de verpakk… 6 hours ago
- @sannetenwolde @10inc @arjenlubach @HetConcerthuis haha, gefeliciteerd, wat een geweldige deal voor die prachtjurk.… twitter.com/i/web/status/9… 6 hours ago
- @matijn @bramjam BLDN: youtube.com/watch?v=c_GFzF… 7 hours ago
- @AVM_DE This fails: windowsupdate.microsoft.com *.windowsupdate.microsoft.com *.windowsupdate.microsoft.com *.update.mi… twitter.com/i/web/status/9… 8 hours ago
- @AVM_DE That is not answering my question: I'm asking for the exact syntax. The reason is that I both need to match… twitter.com/i/web/status/9… 8 hours ago
My Flickr Stream

More Photos
Pages
All categories

All categories
Email Subscription

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 1,365 other followers

A 4-bit Calculator made in cardboard and marble

Posted by jpluimers on 2017/11/14

Cool device: [WayBack] A 4-bit Calculator made in cardboard and marble

I really love this. Not just that it exists, but how it was made and how it’s explained.

Definitely worth reading.

via: [WayBack] Funny modern abacus https://lapinozz.github.io/learning/2016/11/19/calculator-with-caordboard-and-marbles.html – David Berneda – Google+

–jeroen

This entry was posted on 2017/11/14 at 06:00 and is filed under Algorithms, Development, Hardware Development, Software Development. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

Leave a Reply Cancel reply

Enter your comment here...

Fill in your details below or click an icon to log in:

Email (required) (Address never made public)

Name (required)

Website

You are commenting using your WordPress.com account. ( Log Out / Change )

You are commenting using your Google+ account. ( Log Out / Change )

You are commenting using your Twitter account. ( Log Out / Change )

You are commenting using your Facebook account. ( Log Out / Change )

w

Connecting to %s

« Did you miss the ‘View Certificate’ button in Chrome? : sysadmin

Delphi: ^TNodeData incompatible with PNodeData – {$T+} versus {$T-} »

%d bloggers like this: