Category:Mechanical calculators

A

• Abacus (10 P)

C

• Mechanical calculator companies (1 C, 14 P)

E

• Electromechanical calculators (1 C)

F

• Flight computers (2 P)

• Mechanical calculator

A

• A. W. Faber Model 366
• Accounting machine
• Adding machine
• Analytical engine
• Antikythera mechanism
• Arithmaurel
• Arithmometer
• Astrolabe

B

• Frank Stephen Baldwin
• Business machine
• Bygrave slide rule

C

• The Calculating Machines
• Calculus ratiocinator
• Natale Capellaro
• Coggeshall slide rule
• Comptometer
• Curta

D

• Difference engine

E

• Equatorium

F

• Thomas Fowler (inventor)
• Fuller calculator

G

• Genaille–Lucas rulers

H

• Curt Herzstark

I

• Irish logarithm

J

• Jeton

K

• Otis King

L

• Leibniz wheel
• Leslie Leland Locke

M

• Mercedes-Euklid
• Minoan Moulds of Palaikastro

N

• Napier's bones

O

• Odhner Arithmometer
• Organum Mathematicum

P

• Pace count beads
• Pascaline
• Pinwheel calculator
• Promptuary

R

• Reckoning board
• Rectangulus

S

• Scheutzian calculation engine
• Sector (instrument)
• Slide calculator
• Slide rule
• Slide rule scale
• Slonimski's Theorem
• Soroban
• Stanhope Demonstrator
• Stepped reckoner

T

• Tabulating machine
• Tally counter
• The Millionaire (calculator)
• Tide-Predicting Machine No. 2