New posts in arithmetic

About the addition formula $f(x+y) = f(x)g(y)+f(y)g(x)$

functions trigonometry arithmetic functional-equations

What's wrong with this proof that commutativity is implied by the other field axioms?

abstract-algebra arithmetic fake-proofs

Going from a value inside $[-1,1]$ to a value in another range [closed]

arithmetic transformation

Can multiplication be defined in terms of divisibility?

number-theory logic arithmetic

Why do we stop at exponentiation stage in arithmetic of natural numbers?

reference-request arithmetic philosophy hyperoperation

What does it mean when proof by contradiction doesn't lead to a contradiction?

proof-verification proof-writing arithmetic

Will Division by Zero be Defined Eventually? [duplicate]

which is larger number? $\sqrt{7}-\sqrt{6}$ or $\sqrt{6}-\sqrt{5}$

Defining division by zero [duplicate]

analysis arithmetic

Analogy between the fundamental theorems of arithmetic and algebra

abstract-algebra arithmetic

Two trains move towards each other, a bird moves between them. How many trips can the bird make? [duplicate]

limits arithmetic puzzle

Is nᵐ>mⁿ if m>n?

inequality arithmetic exponentiation

Which of the following powers is bigger: $2^{41}$ or $3^{24}$?

arithmetic exponential-function

Does there exist a system such that the additive identity is non-zero?

elementary-set-theory arithmetic

How much is 93 more than 47?

Which of the numbers $99^{100}$ and $100^{99}$ is the larger one? [closed]

inequality arithmetic

Prove that if $k\mid q_1...q_n$ then we can find $k_i$ such that $k=k_1...k_n$ and for every $i$, $k_i\mid q_i$

prime-numbers arithmetic prime-factorization

Converting decimal(base 10) numbers to binary by repeatedly dividing by 2

arithmetic number-systems

Solving linear congruence $2x + 11 \equiv 7 \pmod 3$

modular-arithmetic arithmetic congruences

How do you calculate $ 2^{2^{2^{2^{2}}}} $?

algebra-precalculus arithmetic tetration