Reply to Re: help me on Hex codes
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November 16th 2002, 04:44 AM
Julie
: : Please will someone tell me how hex codes work!!!!
: This got nothing to do with dink, but ok.
: Hexadecimal numerals are base 16
: ex:
: Our numbers (decimal) on right, headecimal on left.
: 0 0
: 1 1
: 2 2
: 3 3
: 4 4
: 5 5
: 6 6
: 7 7
: 8 8
: 9 9
: 10 A
: 11 B
: 12 C
: 13 D
: 14 E
: 15 F
: 16 10
: 17 11
: and so on and so forth...
: other examples:
: 240 F0
: 225 FF
: To convert from hexadecimal to decimal, multiply the decimal number in the largest placeholder by the placeholders postion X, where X is 16 ^ the placeholder - 1)
: ex:
: F7A23 = X in decimal form
: F = 15 //placeholder = 5 - 1 = 4
: F0000 = 15 * 16 ^ 4
: F0000 = 983040
: 7 = 7 //placeholder = 4 - 1 = 3
: 7000 = 7 * 16 ^ 3
: 7000 = 28672
: A = 10 //placeholder = 3 - 1 = 2
: A = 10 * 16 ^ 2
: A = 2560
: 2 = 2 //placeholder = 2 - 1 = 1
: 2 = 10 * 16
: 2 = 160
: 3 = 3 //placeholder = 1 - 1 = 0
: 3 = 3 * 16 ^ 0
: 3 = 3
: Thus
: F7A23 = 983040 + 28672 + 2560 + 160 + 3
: F7A23 = 1014435
: Now to unconvert we do divison on powers of 16, starting with the highest first.
: Ex:
: 192349223 // Methinks it might be 6
: 16 ^ 6 = 16777216
: 192349223 mod 16777216 = 11 Remainder 7799847
: /// 7th diget is B as 11 = B
: 16 ^ 5 = 1048576
: 7799847 mod 1048576 = 7 Remainder 459815
: /// 6th diget is 7
: 16 ^ 4 = 65536
: 459815 mod 65536 = 7 Remainder 1063
: /// 5th diget is 7
: 16 ^ 3 = 4096
: /// as it's bigger than 1069, we skip this step
: /// and know 4th diget is 0
: 16 ^ 2 = 256
: 1063 mod 256 = 4 Remainder 39
: /// 3rd diget is 4
: 16 ^ 1 = 16
: 39 mod 16 = 2 Remainder 7
: /// 2nd diget is 2
: 16 ^ 0 = 1
: 7 mod 1 = 7
: /// First diget is 7
: B + 7 + 7 + 0 + 4 + 2 + 7 = B770427
: B770427 = 192349223
: Any Questions?
: Just E-Mail me at Chrispy1000000NO@SPAMhotmail.com ( take out NO and SPAM) or just check my user page for IM contacts.
: Hehe.
But wait THAT IS CONFUSING!
: This got nothing to do with dink, but ok.
: Hexadecimal numerals are base 16
: ex:
: Our numbers (decimal) on right, headecimal on left.
: 0 0
: 1 1
: 2 2
: 3 3
: 4 4
: 5 5
: 6 6
: 7 7
: 8 8
: 9 9
: 10 A
: 11 B
: 12 C
: 13 D
: 14 E
: 15 F
: 16 10
: 17 11
: and so on and so forth...
: other examples:
: 240 F0
: 225 FF
: To convert from hexadecimal to decimal, multiply the decimal number in the largest placeholder by the placeholders postion X, where X is 16 ^ the placeholder - 1)
: ex:
: F7A23 = X in decimal form
: F = 15 //placeholder = 5 - 1 = 4
: F0000 = 15 * 16 ^ 4
: F0000 = 983040
: 7 = 7 //placeholder = 4 - 1 = 3
: 7000 = 7 * 16 ^ 3
: 7000 = 28672
: A = 10 //placeholder = 3 - 1 = 2
: A = 10 * 16 ^ 2
: A = 2560
: 2 = 2 //placeholder = 2 - 1 = 1
: 2 = 10 * 16
: 2 = 160
: 3 = 3 //placeholder = 1 - 1 = 0
: 3 = 3 * 16 ^ 0
: 3 = 3
: Thus
: F7A23 = 983040 + 28672 + 2560 + 160 + 3
: F7A23 = 1014435
: Now to unconvert we do divison on powers of 16, starting with the highest first.
: Ex:
: 192349223 // Methinks it might be 6
: 16 ^ 6 = 16777216
: 192349223 mod 16777216 = 11 Remainder 7799847
: /// 7th diget is B as 11 = B
: 16 ^ 5 = 1048576
: 7799847 mod 1048576 = 7 Remainder 459815
: /// 6th diget is 7
: 16 ^ 4 = 65536
: 459815 mod 65536 = 7 Remainder 1063
: /// 5th diget is 7
: 16 ^ 3 = 4096
: /// as it's bigger than 1069, we skip this step
: /// and know 4th diget is 0
: 16 ^ 2 = 256
: 1063 mod 256 = 4 Remainder 39
: /// 3rd diget is 4
: 16 ^ 1 = 16
: 39 mod 16 = 2 Remainder 7
: /// 2nd diget is 2
: 16 ^ 0 = 1
: 7 mod 1 = 7
: /// First diget is 7
: B + 7 + 7 + 0 + 4 + 2 + 7 = B770427
: B770427 = 192349223
: Any Questions?
: Just E-Mail me at Chrispy1000000NO@SPAMhotmail.com ( take out NO and SPAM) or just check my user page for IM contacts.
: Hehe.
But wait THAT IS CONFUSING!
