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List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.
The Victor 3900 is the first electronic calculator to have been built entirely of integrated circuits (ICs). [1] [2] For its era, the 3900 is extremely advanced; it has a 4-inch (100 mm) cathode ray tube screen to produce a 5-line display, has separate memory for storing three intermediate results, supports numerical rounding, and is still "smaller than a typewriter".
PL8000 - The PL8000 is a 3.2 lb white calculator with a 2 color backlit 14-digit 17mm dot matrix display. It can do cost/sell/margin, currency, installment loans and time calculations and it has a 8 lines-per-second (lps) thermal printer which prints on 2 1/4" thermal paper. It includes PROMPT LOGIC™ and a HELP key which guides the user with ...
Programs and toolkits to allow on-board assembly-like programming (often Intel 80x86 even if the actual processor in the calculator is something completely different like a Zilog or Motorola chip) are in the beta stage in at least two implementations—the native Basic variant can be enhanced by user-defined functions and procedures as well as ...
ANITA Mk VIII. The ANITA Mark VII and ANITA Mark VIII calculators were launched simultaneously in late 1961 as the world's first all-electronic desktop calculators. [1] [2] Designed and built by the Bell Punch Co. in Britain, and marketed through its Sumlock Comptometer division, they used vacuum tubes and cold-cathode switching tubes in their logic circuits and nixie tubes for their numerical ...
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The XOR is used normally within a basic full adder circuit; the OR is an alternative option (for a carry-lookahead only), which is far simpler in transistor-count terms. For the example provided, the logic for the generate ( G {\displaystyle G} ) and propagate ( P {\displaystyle P} ) values are given below.