Computer software (or simply software) is the programs and procedures that enable a computer to perform a specific task, as opposed to the physical components of the system (hardware). This includes application software such as a word processor, which enables a user to perform a task, and system software such as an operating system, which enables other software to run properly, by interfacing with hardware and with other software.
The term "software" was first used in this sense by John W. Tukey in 1957. In computer science and software engineering, computer software is all information processed by computer systems, programs and data. The concept of reading different sequences of instructions into the memory of a device to control computations was invented by Charles Babbage as part of his difference engine. The theory that is the basis for most modern software was first proposed by Alan Turing in his 1935 essay Computable numbers with an application to the Entscheidungsproblem. Hally, Mike (2005:79). Electronic brains/Stories from the dawn of the computer age. British Broadcasting Corporation and Granta Books, London. ISBN 1-86-207663-4.
Investing Software
Software :: Equities

Bondtrac, Inc. - Single-user to enterprise-wide online systems for the fixed-income securities markets including corporate, municipal, agency, and treasury bonds.
Meta Description: [ Bond dealers, traders and brokers use the Bondtrac fixed income information service to locate, buy, and sell municipal, corporate, agency and government bonds. Fully disclosed live offerings with portfolio analytics, yield curves, calculators, and official statements are found here. ]
CAfIT - UK-designed multi-currency, multi-asset class (including derivatives) portfolio management and modeling system for fixed income and balanced fund managers.
Meta Description: [ Odyssey Financial Technologies offers leading financial software solutions for the Banking industry ]
Street Software Bond Pricing - Providers of intraday to historical bond price data, as well as analytical software and services.
Meta Description: [ Street Software Bond Pricing ]
ValuBond - Provides fixed income technology and services including live trading for market professionals and customized private label websites for broker dealers.
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