Pre-Algebra 3 - Decimal, Binary, Octal & Hexadecimal

Our modern decimal number system is base-10. Other number systems used in fields like computer engineering are base-2 (binary), base-8 (octal) and base-16 (hexadecimal).

[williambryant]

The amount of effort that went into this is actually really appreciated. Like who animated this? 10/10 (or should I say 1010/1010)

[breannakusko]

THIS IS AMAZING!!! I missed the class in compsci where my prof. was explaining what these numbers were. this helped SO MUCH!! also great for conversions :)) any compsci/compeng majors can appreciate this video!!!

[sarojhmaffle]

this is amazing. the whole cartoon trope makes you actually wanna watch these unironically lol.

[sndp.s]

I understood everything but felt sleepy (during lecture for same topic) in my college.this is very nice and easy to understand.

[Sys-Editr-]

This helped a bit in me understanding octal. I seem to get hex better though, actually I feel that I don't, I think it just easier to toggle an early personal (hobby) computer with it. Like the IMSAI 8080. Now I just need to memorize what each equals in binary to toggle the switches. Then I'll memorize 8-bit ASCII by hex.

[preddyp]

#MyWhyU ==> Perfect explanation, thanks

next time also explain how to convert point values( .212 , .101101

[Kasamori]

(-1) * (-10)^1 + (-9) * (-10)^0 = 1. Now it's correct.

[youngdeok]

Base 20=I
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, H, I

[Kasamori]

I'm sorry, that plus sign is actually a minus sign.

[SomethingtoappeaseGoogle-]

But in the end the decimal system wins cause why write the nummber 8 as 1000 anyways though binary is pretty easy but since I'm still converting from base 10 and I'm not a computer base 10 wins besides if I told a "regular" 1000 was 8 they would think I'm retarded

[MelkMan]

I came here because I attended a fail of a tut class in com sci and didn't know how to convert for **** after the 90 minute session. After watching this 14 minute video I now know (and will not forget) how to convert between the different numeral systems.

[skeetabomb]

Great video! However, at 1:04 I disagree...the "symbols" are not digits, they are "numerals". Digits explicitly refers to the position of a numeral (the "column") in the number...sorry to be a pedant ;)

[thepoint]

Perfectly explained the concept of Number System. Thank You very much.

[angusmglfraser]

wouldnt 12 be the most logical base to use for a number system since 12 is divisible by 1 2 3 4 6 rather than 10 which is divisible only by 1 2 and 5? it would make mental math so much easier

[kingofdice]

this is excellent, this is far more then excellent, please continue this project, keep this project alive cause what you are doing is very very valuable to so many young men and women out there

[jamespcgamer]

As a 20 year old male who did horribly in school in math, I must TRUTHFULLY say that..cartoons are better at explaining things than people lol.

[squiffyk]

could you use a 32-base number system using numbers 0-9 and the rest alphabet?
then every byte could be represented by 1 32-base digit

[willway]

My teacher told me that 0 is not a natural number. He said it was a part of the 'whole set'. Was he wrong? (I'm from Australia)

[TakingTrams]

And I've been wondering who was the moron to waste his time inventing all those codes for every single RGB color...

[MKxpl]

this video really helped me understand number systems