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  2. Lotus Improv - Wikipedia

    en.wikipedia.org/wiki/Lotus_Improv

    A formula can then be created that says "Total Sales = Unit Price times Unit Sales". Then if "Total Sales" view is added to the workbook, the totals would automatically appear there, because the sheet "knows" that is what the formula is for. But the real power of Improv did not become clear until work had already started on the project.

  3. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    Excel maintains 15 figures in its numbers, but they are not always accurate; mathematically, the bottom line should be the same as the top line, in 'fp-math' the step '1 + 1/9000' leads to a rounding up as the first bit of the 14 bit tail '10111000110010' of the mantissa falling off the table when adding 1 is a '1', this up-rounding is not undone when subtracting the 1 again, since there is no ...

  4. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    Note the formula on the dot-matrix line above and the answer on the seven-segment line below, as well as the arrow keys allowing the entry to be reviewed and edited. This calculator program has accepted input in infix notation, and returned the answer , ¯. Here the comma is a decimal separator.

  5. Formula editor - Wikipedia

    en.wikipedia.org/wiki/Formula_editor

    A formula editor is a computer program that is used to typeset mathematical formulas and mathematical expressions. Formula editors typically serve two purposes: They allow word processing and publication of technical content either for print publication, or to generate raster images for web pages or screen presentations.

  6. Wikipedia:Tools/Editing tools - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Tools/Editing_tools

    A very simple Copy & Paste Excel-to-Wiki Converter; A free open source tool to convert from CSV and Excel files to wiki table format: csv2other; Spreadsheet-to-MediaWiki-table-Converter This class constructs a MediaWiki-format table from an Excel/GoogleDoc copy & paste. It provides a variety of methods to modify the style.

  7. Error bar - Wikipedia

    en.wikipedia.org/wiki/Error_bar

    Help; Learn to edit; Community portal; Recent changes; Upload file; Special pages

  8. Integer overflow - Wikipedia

    en.wikipedia.org/wiki/Integer_overflow

    The register width of a processor determines the range of values that can be represented in its registers. Though the vast majority of computers can perform multiple-precision arithmetic on operands in memory, allowing numbers to be arbitrarily long and overflow to be avoided, the register width limits the sizes of numbers that can be operated on (e.g., added or subtracted) using a single ...

  9. Approximation error - Wikipedia

    en.wikipedia.org/wiki/Approximation_error

    Print/export Download as PDF; ... the numerical stability of an algorithm indicates the extent to which errors in the input of the algorithm will lead to large ...