dyscalculia composite number significant figures trachtenberg system arithmetic rounding factorization ackermann function additive inverse bracket (mathematics) finite field arithmetic cross-multiplication fractional part interval arithmetic multiple (mathematics) casting out nines prosthaphaeresis false precision non-standard model of arithmetic anomalous cancellation history of arithmetic timeline of numerals and arithmetic 3x + 1 semigroup numbers outline of arithmetic plant arithmetic arithmetices principia, nova methodo exposita computer arithmetic sudan function binary arithmetic
Mathematics_Fields of mathematics