Arithmetic
type: Concept
notation: GN476.1
notation: QA101-QA145
related: Calculators

Computers
type: Concept
notation: QA75.5-QA76.95
notation: TK7885-TK7895
related: Calculators

Tabulating machines
type: Concept
notation: HF5541.T3
related: Calculators

Calculators
type: Concept
created: 1996-04-30T00:00:00
alternative label: Pocket calculators
alternative label: Calculating machines
in scheme: lcsh
member: collection LCSHAuthorizedHeadings
member: collection LCSH Childrens
related: Computers
related: Tabulating machines
related: Arithmetic
top concept of: lcsh

Computers
type: Concept
related: Calculators