Sub-Etha Software
Blogs

Random BASIC shuffling revisited.

March 31, 2020 Sub-Etha Software

In a previous article, I wrote a BASIC program that simulated pulling marbles out of a bag. I described my thought process, including how I initially thought I would have to randomize the virtual marbles in the virtual bag. I realized this would be unnecessary, but still offered a demonstration …

Blogs

The marbles in a bag puzzle in Color BASIC – part 3

March 31, 2020 Sub-Etha Software

See also: part 1 and part 2. Today I will present Art Flexser‘s solution to this marble puzzle, as well as a corrected version of mine. First I will correct my version of the “pulling marbles out of a bag” puzzle recently presented by Steve Ostrom. I now understand the …

Blogs

Retro BASICs for Windows, Mac and Linux

March 30, 2020 Sub-Etha Software

If you want to play with BASIC on a modern computer, here are two options I have found. PC-BASIC PC-BASIC from http://robhagemans.github.io/pcbasic/PC-BASIC is an implementation of the old GW-BASIC that came with MS-DOS. It allows you to enter commands directly (PRINT “HELLO WORLD”) just like the old days, and also …

Blogs

The marbles in a bag puzzle in Color BASIC – part 2

March 30, 2020 Sub-Etha Software

See also: part 1 Well, you can disregard my previous article. I misunderstood the process Steve Ostrom was describing. I have a follow-up planned, but wanted to share Steve’s response when I explained what I thought the process was: … the probability puzzle is a little more complex. Here is …

CoCoTALK!
Podcasts

Video episode 153 – Distantly Social since 2017

March 29, 2020 CoCoTALK!

CoCoTALK! has been meeting virtual and being social distant (yet connected) before it became the in thing to do. We carry the tradition of keeping the Tandy, Dragon and MC-10 flame alive this week from our homes, at least 6.5 fee from each other, but still sharing our love for …

CoCoTALK!
Podcasts

Episode 153 – Distantly Social since 2017

March 29, 2020 CoCoTALK!

CoCoTALK! has been meeting virtual and being social distant (yet connected) before it became the in thing to do. We carry the tradition of keeping the Tandy, Dragon and MC-10 flame alive this week from our homes, at least 6.5 fee from each other, but still sharing our love for …

Blogs

The marbles in a bag puzzle in Color BASIC

March 28, 2020 Sub-Etha Software

NOTE: I got the objective of the marble puzzle wrong, but I’d already written this version. I’ll post a follow-up with the actual puzzle later. Recently in the Color Computer Facebook group, Steve Ostrom wrote a BASIC program to solve a probability puzzle. He wrote: You have 15 marbles in …

Blogs

How random is RND in Color BASIC?

March 27, 2020 Sub-Etha Software

Random thought of the day… Recently, Steve Ostrom posted to the Facebook CoCo group a puzzle he was trying to work out: It’s been a few years since I turned on my Coco, even though it’s still all set up. I came across an interesting probability problem a few days …

CoCoTALK!
Podcasts

Video episode 152 – Celebrating 3 years of CoCoTALK!

March 22, 2020 CoCoTALK!

March 19th 2017 we did our first ever impromptu CoCoTALK! counting down CoCoFEST! and 3 years later we’ve become a global phenomenon with weekly live talks dedicated to the CoCo, Dragon, MC-10 and clones. We want to take a look back, rejoice and celebrate. We’d love to get a lot …