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Da Vinci code Can you crack the complex code? complex code?
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Transcript of Da Vinci code Can you crack the complex code? complex code?
Da Vinci Da Vinci codecode
Can you crack theCan you crack the
complex code?complex code?
Fibonacci – Fibonacci – Magic numbers in designMagic numbers in design
Golden RatioGolden Ratio is φ (phi) is φ (phi)
φ = 1 + = 1.6180339φ = 1 + = 1.6180339
φ = ½(√5+1) = 1.62 (2dp)φ = ½(√5+1) = 1.62 (2dp)
11φφ
Every side in Every side in the pentagram the pentagram is φ times is φ times another side.another side.
Alpha-Numeric codesAlpha-Numeric codes
Line up your code strips and read off the lettersLine up your code strips and read off the letters
a b c d e f g h i j k l m n o p q r s t u v w x y z a 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 z y x w v u t s r q p o n m l k j i h g f e d c b a
a b c d e f g h i j k l m n o p q r s t u v w x y z 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 z y x w v u t s r q p o n m l k j i h g f e d c b a
From the peach strip: bxpv zlab becomes easy code
From the white strip: hdvb frgh becomes easy code
b e
h e
as
If you have numbers, try direct substitution, a=1
e.g. 14 21 13 2 5 18 3 15 4 5 becomes number code
xp
Fibonacci – Golden rectangleFibonacci – Golden rectangle
13
8
53
21
Julius Caesar CodeJulius Caesar CodeYour message must be an exact square Your message must be an exact square
number e.g. 9, 16, 25, 36, 49 etcnumber e.g. 9, 16, 25, 36, 49 etc
Write down vertically, read back horizontallyWrite down vertically, read back horizontally
e.g. Fourth July Independence Day becomes:e.g. Fourth July Independence Day becomes:
FhlecoJunneuuddDrleeatypnyFhlecoJunneuuddDrleeatypny
FF hh II ee cc
oo JJ nn nn ee
uu uu dd dd DD
rr ll ee ee aa
tt yy pp nn yy
FF oo uu rr tt
hh JJ uu ll yy
II nn dd ee pp
ee nn dd ee nn
cc ee DD aa yy
AmbigramsAmbigrams – – rotational symmetryrotational symmetry
Complex Alpha-Numeric codesComplex Alpha-Numeric codesCan’t break the code?Can’t break the code? Try using the letters in reverse orderTry using the letters in reverse order Try combining more than 1 techniqueTry combining more than 1 technique
Count the letters – might be Julius CaesarCount the letters – might be Julius Caesar Are all numbers between 1 & 26?Are all numbers between 1 & 26?
Have they been shifted?Have they been shifted? Try a matrix methodTry a matrix method
11 22 33 44 5511 AA BB CC DD EE22 FF GG HH II JJ33 KK LL MM NN OO44 PP QQ RR SS TT55 UVUV WW XX YY ZZ
e.g. 13 35 14 15
becomes
13C
C O D E O
D E
Fibonacci – Fibonacci – Magic numbers in natureMagic numbers in nature
AmbigramsAmbigrams – – rotational symmetryrotational symmetry