Archive for date: March 17, 2015

Need π to 100 or so digits precision?

March 17, 2015 | Math | By: Mark VandeWettering

Use the “bc” arbitrary precision calculator you can probably find (or install easily) on your Linux box. > bc -l bc 1.06.95 Copyright 1991-1994, 1997, 1998, 2000, 2004, 2006 Free Software Foundation, Inc. This is free software with ABSOLUTELY NO WARRANTY. For details type `warranty’. scale=50 4*a(1) 3.14159265358979323846264338327950288419716939937508 User input is in bold. the scale […]

My first try at an inexpensive 0.96″ OLED display…

March 17, 2015 | Amateur Science, Arduino, Development Boards | By: Mark VandeWettering

As my recent video showed, I have a lot of development boards. I also have a fair number of little boards that are useful to plugin to these development boards to accomplish various tasks. Yesterday, I received a little OLED board that I thought I’d try hooking up and let you know about my experience. […]