manual calculator
11Slide rule — For other uses, see Slide rule (disambiguation). A typical ten inch student slide rule (Pickett N902 T simplex trig). The slide rule, also known colloquially as a slipstick,[1] is a mechanical analog computer. The slide rule is used primarily for …
12Motorola 6800 — Motorola MC6800 Microprocessor. The 6800 was an 8 bit microprocessor designed and first manufactured by Motorola in 1974. The MC6800 microprocessor was part of the M6800 Microcomputer System that also included serial and parallel interface ICs,… …
13computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …
14Unit record equipment — Before the advent of electronic computers, data processing was performed using electromechanical devices called unit record equipment, electric accounting machines (EAM) or tabulating machines. Unit record machines were as ubiquitous in industry… …
15Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry …
16Amiga Hunk — Hunk is the executable file format of tools and programs of the Amiga Classic Operating System (up to AmigaOS 3.9) based on Motorola 68000 CPU and other processors of the same family. This kind of executable got its name from the fact that the… …
17Casio CFX-9850GB PLUS — is an upgraded version of the Casio CFX 9850G graphing calculator.OverviewThe calculator weighs about 190 grams including batteries, and measures about 19.7mm x 83 mm x 176 mm. It is capable of performing a vast array of scientific calculations,… …
18Harvard Mark I — Portion of the Harvard IBM Mark 1, left side …
19Antikythera mechanism — The Antikythera mechanism (main fragment) The Antikythera mechanism (  / …
20Tire code — Automobile tires are described by an alphanumeric tire code (in American English) or tyre code (in British English, Australian English and others), which is generally molded into the sidewall of the tire. This code specifies the dimensions of the …
