this post was submitted on 01 Mar 2025
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I couldn't find the exact pixel dimensions for this calculator, so I just measured it myself.

1 Centimeter = 22 Pixels, exactly.

Edit: It might not appear in the photo to be an exact alignment with centimeters, but that's all because of the ruler sitting a little higher than the screen and the camera optical focus and crap.

Indeed, it's exactly 22px/cm

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[–] [email protected] 3 points 3 weeks ago (1 children)

You cut and grind your ruler?

I use the little machinist rulers that are edge ground but only 150mm most of the time. I hate my 460mm Westcott ruler because of the 3.75mm inset zero position but never bothered to cut it.

[–] [email protected] 3 points 3 weeks ago

No. The ruler is a machinist's grade Staedtler MARS 963 53-12.

It was manufactured that way, for precision.

[–] [email protected] 12 points 3 weeks ago (2 children)

Addendum: It might not appear in the photo to be an exact alignment with centimeters, but that's all because of the ruler sitting a little higher than the screen and the camera optical focus and crap.

Indeed, it's exactly 22px/cm

[–] [email protected] 2 points 3 weeks ago (1 children)

9.4mm long centimeters were making my eye twitch (yeah, I’d already done the math before I looked at the comments).

Your addendum makes me feel better. Thanks for the pointing out the visual trickery!

[–] [email protected] 2 points 3 weeks ago* (last edited 3 weeks ago)

I had to triple check for myself before being sure. But yep, when using my eyes straight on perpendicular (and not having to hold the camera with one hand), everything lines up precisely to 22px/cm.

[–] [email protected] 5 points 3 weeks ago (1 children)

Hi, just found this community in all.

The threadiverse is flourishing

[–] [email protected] 1 points 3 weeks ago* (last edited 3 weeks ago) (1 children)
[–] [email protected] 2 points 3 weeks ago (1 children)

man not the elementary school humor 😭

[–] [email protected] 1 points 3 weeks ago

My demo is evolving, into split programs that are somewhat useful.