Similar to 算数障害

Neurodevelopmental disorder

Attention deficit hyperactivity disorder

Dyslexia

Arithmetic

Zero to the power of zero

Ackermann function

Mental calculation

Generalized arithmetic progression

Increment and decrement operators

Square root algorithms

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