arithmetic
related: abacus
related: cut-elimination
narrower: number system
narrower: four principal operation
narrower: numbers
preferred label: حساب @fa
type: Concept
broader: precalculus

four principal operation
preferred label: چهار عمل اصلی @fa
type: Concept
broader: arithmetic

numbers
preferred label: اعداد @fa
type: Concept
broader: arithmetic

precalculus
preferred label: حسابان مقدماتی @fa
type: Concept
narrower: arithmetic

number system
preferred label: دستگاه اعداد @fa
type: Concept
broader: arithmetic

abacus
preferred label: چرتکه @fa
type: Concept
related: arithmetic

cut-elimination
preferred label: حذف برش @fa
type: Concept
related: arithmetic