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 …