Similar to 全日本珠算技能競技大会

Dyscalculia

Arithmetic

Zero to the power of zero

Ackermann function

Mental calculation

Generalized arithmetic progression

Increment and decrement operators

Methods of computing square roots

Odd number

Multiplicative inverse

Casting out nines

Colossally abundant number

Parity (mathematics)

Even number

Empty sum

Subtraction

Successor function

Modular arithmetic

Fundamental theorem of arithmetic

Non-standard model of arithmetic

Power of three

Zhusuan

Fractional part