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Nested bitmaps comment by LdBeth
I love the bitmap style font used in this logo, and this one comes with many variations. Might be great if combined with the dot halftone style logo used for APL Wiki.
Parallel lines comment by RGS
The “parallel lines” logo is very hard to read and it's hard to understand that there's an “APL” written in there. In general, I would go for things that are easy to read.
Display matrix comment by PaulMansour (talk)
This is an excellent starting point, but rather than the exact output of the DISPLAY function, a good graphic designer could stylize it a bit, perhaps removing some white space, a little kerning on the letters, some color, etc.
Stylistically, I like this logo the best - but it is my least preferred option: for me, it is too reminiscent of the Dyalog application logo to be a general and independent APL logo. Ros (talk) 09:17, 8 October 2021 (UTC)
Script apple comment by Fiona
Although I rather like the "hollow" version of this, Dyalog Ltd have already adopted a slight variation of this for use as the APL Seeds logo (user meetings, events and information specifically for new APLers) – see here for an example and the detail makes it harder to shrink. The filled version is slightly more reminiscent of a bell pepper than an apple to me – I prefer the shape of the (otherwise similar) 50 Years one further down the page.
I like the cube representation and its array implications but it's maybe a tad too similar to the Dyalog product logo. I really dislike the text – on first impression it looked odd, and when realising that it's APL glyphs instead of letters it just seemed a bit of an inside joke that might alienate those who are not in the know (the same comment applies to the "Lamp Rho Downstile" logo).
This might appeal to those who have fond memories of the rather brilliant book, but it looks very dated, is hard to read unless you already know what it said, wouldn't render well when small, and wouldn't work in black-and-white.
General comment by MichaelBaas
It would be useful if the icons were shown in the same size(s), perhaps 32x32 as a miniature version (favicon etc.) and 192 x 192, and maybe each on a black and on a white background - so 4 versions per icon.
Plain Ellipse comment by PaulMansour (talk)
Very nice. Simple, clean, should be good at all sizes. Gets my vote!
Display matrix comment by DanHirschi (talk)
I actually like this one. If placed in the matrix of other logos above, it would stand out a bit because of its simplicity (I think the white space actually helps). Possible changes (that might improve it): - make the letters and box a bit thicker - use the older font where the characters are more italicized - use the old underscored font - as mentioned, adjust the spacing between the letters
I agree with Paul's comment on the clarity and simplicity of this design but would suggest that it is not taken forward in this colour due to its similarity to an existing logo: APL Media's logo is a lower case "apl" in a red circle – https://twitter.com/apl_media – but perhaps a different single colour (green?) would introduce more differentiation.
APL Rotated Array comment by Adám Brudzewsky
I quite like this one. It is simple and timeless.
However, I will dispute that the APL Wiki logo is "the most established APL logo to date". It was in fact recently changed from its previous logo, as seen on old.aplwiki.com, which was shared with APL Team.
Furthermore, APL isn't a well-recognised language, and so I think it is important that the logo spells out "APL" such that people can at least go search for it.
The APL Wiki would be my preference, followed by the Display matrix (which would be nicer if it were boxed up without breaks and maybe slightly slanted), then the Cube Apple.