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    1. IBM System/370 Mainframe emulated on a Raspberry Pi Zero

      @brianroemmele: I will let out a bit of a secret. I have been running a full IBM System/370 Mainframe on a $5 Raspberry Pi Zero for ~5 years. About 7 times faster System/370. Millions of lines of COBOL JCLs running flawless on a battery. Tested an entire bank's mainframe COBOL on it.

      13 votes
    2. LaTeX: Using a different font for glyphs used in commands like \sum

      Hello everyone. I consider myself fairly competent when it comes to my work with LaTeX, but as everyone who uses it knows, it is definetely strange sometimes. And right now I have a problem which...

      Hello everyone. I consider myself fairly competent when it comes to my work with LaTeX, but as everyone who uses it knows, it is definetely strange sometimes. And right now I have a problem which just irks me in the wrong ways:

      I use XeTeX and a number of custom fonts for my documents, but when writing mathematical formulas I found out that the font I set for Greek letters (Gentium Plus) is used for letter commands like \alpha, \Alpha, ... but not for commands like \sum, \prod. As you can see in this example here. You can see XeTeX defaults to Computer Modern.

      I've looked all over the net for solutions but I can't find one. I'm using mathspec, amsmath, amsfonts, amssymb as my font related packages and I set my fonts like this:

      \setmainfont{Charis SIL}
      \setsansfont{Helvetica Now Display}
      \setmonofont[Scale=MatchLowercase]{Fira Code Retina}
      \setmathfont(Digits,Latin){Charis SIL}
      \setmathfont(Greek){Gentium Plus}
      

      I feel like I'm going insane not solving this problem. Should you require it, my entire LaTeX template is here on Github. Please help, thank you.

      8 votes
    3. Fitness Weekly Discussion

      What have you been doing lately for your own fitness? Try out any new programs or exercises? Have any questions for others about your training? Want to vent about poor behavior in the gym? Started...

      What have you been doing lately for your own fitness? Try out any new programs or exercises? Have any questions for others about your training? Want to vent about poor behavior in the gym? Started a new diet or have a new recipe you want to share? Anything else health and wellness related?

      5 votes
    4. SCOPETREX vector gaming on your oscilloscope!

      @tubetimeus: announcing the SCOPETREX -- the vector gaming console for your oscilloscope or XY monitor! ever wanted to buy a Vectrex, but can't afford the high prices on auction sites? well now you can build your own! full design files at https://t.co/hHAbFwwePE

      4 votes
    5. What are you reading these days?

      What are you reading currently? Fiction or non-fiction or poetry, any genre, any language! Tell us what you're reading, and talk about it a bit. Previous topics Previous topics are listed in the wiki.

      21 votes