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• Dunno if this will give you the quality (or lack of it) you want, but if you open an image in Microsoft Paint, you can "Save as" a 256-color photo. Paint will ask you if you want to proceed (it will lose color information), and if you cli…

  in How to create 256-color images from photos? Comment by light-cloud June 2021
• Dunno if this will give you the quality (or lack of it) you want, but if you open an image in Microsoft Paint, you can "Save as" a 256-color photo. Paint will ask you if you want to proceed (it will lose color information), and if you cli…

  in How to create 256-color images from photos? Comment by light-cloud June 2021
• You've already noted that not all colleges accept AP credit. Some colleges also only accept certain AP credits (for instance, accepting Physics C but not Physics B). Some give you "transfer credit" but still make you take the introductor…

  in Which colleges do not accept AP classes? Comment by light-cloud June 2021
• In this case, if you try out small values of x, you can see that x = 3 works (3*3 = 9 = 1 in mod 4). As you have probably noticed, modular arithmetic is not as straightforward as "normal" arithmetic. Whereas it's relatively easy to rev…

  in How do you do modular arithmetic algebra? Comment by light-cloud May 2021
• In this case, if you try out small values of x, you can see that x = 3 works (3*3 = 9 = 1 in mod 4). As you have probably noticed, modular arithmetic is not as straightforward as "normal" arithmetic. Whereas it's relatively easy to rev…

  in How do you do modular arithmetic algebra? Comment by light-cloud May 2021
• You've already noted that not all colleges accept AP credit. Some colleges also only accept certain AP credits (for instance, accepting Physics C but not Physics B). Some give you "transfer credit" but still make you take the introductor…

  in Which colleges do not accept AP classes? Comment by light-cloud May 2021