Very interesting method for multiplication of natural numbers
61461
Proof of Russian Peasant Multiplication
40241
Understanding the multiplication of fractions
31900
Induction on Real Numbers
49192
Technique for finding the nth term
70439
Mapping two integers to one, in a unique and deterministic way
102816
multiplication equivalent of the summation symbol
149976
What is "magic" about the combination of addition and multiplication in formal arithmetic?
129693
An interesting problem with "decomposing" natural numbers.
59201
How to present a vertical multiplication/addition
45386
Fibonacci sequence emerging from integer partitioning
55199
Number Theory in a Choice-less World
16168
Intuitive Bernoulli numbers
95192
Other types of vector multiplication.
59073
Method for Counting the Divisors of a number
154596
When should \cdot be used to indicate multiplication?
74918
Construction of addition and multiplication table for GF(4)
145256
Expanding out multiplied terms