Pi Cipher
The Pi cipher assigns the successive digits of π (3, 1, 4, 1, 5, 9 …) to the letters of the alphabet.
Letter values
a
3
b
1
c
4
d
4
e
6
f
0
g
5
h
5
i
1
j
1
k
0
l
2
m
9
n
6
o
9
p
3
q
1
r
4
s
4
t
2
u
7
v
8
w
2
x
3
y
4
z
3
The Pi cipher assigns the successive digits of π (3, 1, 4, 1, 5, 9 …) to the letters of the alphabet.