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1982, ZX81 Memocalc, for low cost ~$100 personal computer with 16K RAM expansion, launched by Memotech in April 1982. 1982, Multiplan for CP/M operating system, later becoming Microsoft Excel, launched Aug 1982. 1983, Lotus 1-2-3 for MS-DOS, the first killer application for the IBM PC, it took the market from Visicalc in the early 1980s.
Analogous Estimating: Using the cost of similar project to determine the cost of the current project; Determining Resource Cost rates: The cost of goods and labor by unit gathered through estimates or estimation. Bottom Up estimating: Using the lowest level of work package detail and summarizing the cost associated with it.
A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.
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Windows: Quickfield: EM, Heat Transfer and Stress Analysis [10] Tera Analysis Ltd: 6.4 [11] 2020-04-17: Proprietary EULA: Free Student Edition available [12] Windows: Pam Crash: Best used for explicit dynamics / crash analysis ESI 15.5.1 2020-03-05 Proprietary commercial software: Linux, Windows: LS-DYNA: Best known for explicit dynamics ...
But NEOs with low delta-v budgets have long synodic periods, and the intervals between times of closest approach to the Earth (and thus most efficient missions) can be decades long. [ 11 ] [ 12 ] The delta-v required to return from Near-Earth objects is usually quite small, sometimes as low as 60 m/s (200 ft/s), with aerocapture using Earth's ...
Windows: Windows 7 and newer Mac: MacOS X and newer Note: Ad-Free AOL Mail removes ads while using AOL email; it is not supported on AOL Desktop Gold or the AOL mobile app.