How did the convention of 'multiplying' using $4\times 3$ become $4\cdot 3$?
105267
Why does the symbol for the multiplication operation change shape?
48208
The meaning of dot centered vertically, as in $3\cdot 5$
141476
How to explain the commutativity of multiplication to middle school students?
83753
Why $\,p \cdot (p^{-1} \mod q) + q \cdot (q^{-1} \mod p) = pq + 1$?
69721
$(a,b) \mathbin\# (c,d)=(a+c,b+d)$ and $(a,b) \mathbin\&(c,d)=(ac-bd(r^2+s^2), ad+bc+2rbd)$. Multiplicative inverse?
123392
How does $cos(x) = \frac{\vec{v} \cdot \vec{w}}{|\vec{v}| \cdot |\vec{w}|}$ make sense?
76547
Why are addition and multiplication commutative, but not exponentiation?
17213
what operation repeated $n$ times results in the addition operator?
157417
Understanding the definition of a multiple (double) root
95192
Other types of vector multiplication.
114074
Intuitive/Visual proof that $(1+2+\cdots+n)^2=1^3+2^3+\cdots+n^3$
149976
What is "magic" about the combination of addition and multiplication in formal arithmetic?
1002
Where is the flaw in this "proof" that 1=2? (Derivative of repeated addition)
145279
Compute the (multiplicative) inverse of $4x+3$ in the field $\frac {\Bbb F_{11}[x]}{\langle x^2+1 \rangle}$?
2675
Proof $1+2+3+4+\cdots+n = \frac{n\times(n+1)}2$
88334
Why is the expression $\underbrace{n\cdot n\cdot \ldots n}_{k \text{ times}}$ bad?
105874
Is double Multiplication Broken in .NET?