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Michael Michalowicz (/ m ɪ ˈ k æ l ə w ɪ t s / mick-AL-ə-wits; [1] (born September 19, 1970) is an American author, [2] entrepreneur, and lecturer. [3] [4] He is the author of eight business books published by Penguin Random House, including All In (2023), Get Different (2021), [5] Profit First (2017), [6] and Clockwork Revised & Expanded (2022), and the former host of the "Business ...
1979, VisiCalc for Apple II with 32K RAM, the first widely used normal spreadsheet with A1 notation etc. 1980, SuperCalc for CP/M -80 operating system, included with early Osborne computers. 1982, ZX81 Memocalc, for low cost ~$100 personal computer with 16K RAM expansion, launched by Memotech in April 1982.
Example of a spreadsheet holding data about a group of audio tracks. A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form. [1] [2] [3] Spreadsheets were developed as computerized analogs of paper accounting worksheets. [4] The program operates on data entered in cells of a table.
Multiplan floppy disk for Macintosh. Multiplan is a spreadsheet program developed by Microsoft and introduced in 1982 as a competitor to VisiCalc.. Multiplan was released first for computers running CP/M; it was developed using a Microsoft proprietary p-code C compiler [1] as part of a portability strategy that facilitated ports to systems such as MS-DOS, Xenix, Commodore 64 and 128, TI-99/4A ...
The profit model is the linear, deterministic algebraic model used implicitly by most cost accountants. Starting with, profit equals sales minus costs, it provides a structure for modeling cost elements such as materials, losses, multi-products, learning, depreciation etc. It provides a mutable conceptual base for spreadsheet modelers.
From January 2008 to December 2012, if you bought shares in companies when Charles H. Cotros joined the board, and sold them when he left, you would have a 94.1 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
Darva Conger went from anonymity to being called a "gold-digger" after winning the reality show Who Wants to Marry a Multi-Millionaire in 2000.. The show was embroiled in scandal after it was ...
The Lotus Development Corporation was founded by Mitchell Kapor, a friend of the developers of VisiCalc. 1-2-3 was originally written by Jonathan Sachs, who had written two spreadsheet programs previously while working at Concentric Data Systems, Inc. [6] [7] To aid its growth both in the UK and possibly elsewhere, Lotus 1-2-3 became the very ...