## Hexadecimal

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This forum is now read-only. Please use our new forums at discuss. If you have had a look at the color article tony de araujo posted, the phrase 8-bit will surely have come up. Here's what that refers to:. Notice the focus is on groups of 4 'bits'. The math in this frame of reference is very simple. The numbers above are called low order bits. They are the lowest in literal value. Move this quartet up to the higher order position where 16 is the smallest value, and the whole thing is multiplied by 16 in value:.

Add 15 to that and we getbinary hexadecimal chart Notice how many bits? Now let's look at the color palettes. We have three, red, green and blue. A third of all screen pixels were red at full intensity, binary hexadecimal chart third were green at full intensity and the remainder were blue at full intensity. All pixels were black at zero intensity.

If we start with the color palettes all at full intensity, we get white. The colors add up to white to our eye. When we begin to subtract palettes from this we get.

Notice that each color palette is represented by a hex pair which has a range of 00 to Binary hexadecimal chart. Last we'll cover converting a decimal value 0 to into a hex pair. We'll assume the number is 16 or greater.

ArtemisForever over 3 years ago. Unless you're talking about coconuts, I wouldn't really describe that as "in a nutshell"! Computers struggle to do decimal, so why shouldn't we struggle to do binary hexadecimal chart or hex? We don't have to. There are basic things that we can learn that will help us forever overcome these struggles. The above 4-bit approach is very suitable as a math model for working with base 16 numbers in relation to base 10, base binary hexadecimal chart, or by themselves.

After a while it becomes second nature. We can do binary in our sleep after a very short binary hexadecimal chart. From there it's no leap to hex. Just look at a 4-bit number and you'll know its hex. It's in the table above in comparison terms. Each bit to the left is double the value.

And we have all the bits we need to fill out one order of magnitude of base If you are a math nut, then you'll be up on logaritms and the role they play in simplifying base conversion:. Get the bits and binary hexadecimal chart hexadecimal just flows out from there. You probably won't cover this in any of your courses, but it behooves me to express the above in JavaScript:. Now we run this code so it's in memory. It's flawed at this **binary hexadecimal chart,** but it does give us a pretty good representation of the binary conversion:.

Pretty good is what I mean. We've got a small issue to deal with here thanks to floating point arithmetic. Since this is primitive analysis I don't feel bad. How can we fix this? I came back to read your joke: That's when we used to hard wire logic gates as school assignments. Good old days where everything was still a mystery. Roy over 3 years ago. Thanks for adding more ingredients to the recipe cooking is becoming my new hobby: I found a great explaination of hexadecimal on khanacademy!

Course Forum Section 4 What is Hexadecimal? What i do know about Hexadecimal: What i do not know about Hexadecimal: Here's what that refers to: Move this quartet up to the higher order position where 16 is the smallest value, and the whole thing is multiplied by 16 in value: The hexadecimal symbols for 10, 11, 12, 13, 14 and Divide N by The quotient will be the binary hexadecimal chart of the high order bits.

Convert quotient to hex see binary hexadecimal chart. This will give 10 **binary hexadecimal chart** F0 Convert the remainder to hex, prepend with a 0. This will give 00 to 0F Add the two to get a hex pair.

That's the basics in a nutshell. Here's a joke that's been floating around for half a century at least: There are 10 kinds of people who understand binary arithmetic, those who do, and those who don't. Then there's the classic, Halloween and Christmas on the same day? If looking isn't quite enough, then remember this: If you are a math nut, then you'll be up on logaritms and the role they binary hexadecimal chart in simplifying base conversion: You probably won't cover this in any of your courses, but it behooves me to express the above in JavaScript: It's flawed at this point, but it does give us a pretty good representation of the binary conversion: Use built in functions: Let's throw some out there, like and Here's a great detailed explanation with lots to read: ArtemisForever over 3 years ago Oh wow, hexadecimals actually make sense now.