The "letters" of mathematics.
The first hint to crack the puzzle «The "letters" of mathematics.» is:
It is a word which contains 7 letters
The second hint to crack the puzzle «The "letters" of mathematics.» is:
It starts with letter N
N
The third hint to crack the puzzle «The "letters" of mathematics.» is:
It ends with letter S
N
s
Looking for extra hints for the puzzle «The "letters" of mathematics.»:
Click on any empty tile to reveal a letter
N
s
The answer for the puzzle «The "letters" of mathematics.» is:
N
u
m
b
e
r
s