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  2. CARDboard Illustrative Aid to Computation - Wikipedia

    en.wikipedia.org/wiki/CARDboard_Illustrative_Aid...

    take a number from the specified memory cell and write it on the output card. 6: STO: Store copy the contents of the accumulator into a specified memory cell. 7: SUB: Subtract subtract the contents of a specified memory cell from the accumulator. 8: JMP: Jump jump to a specified memory cell. The current cell number is written in cell 99.

  3. Subtraction - Wikipedia

    en.wikipedia.org/wiki/Subtraction

    If the top number is too small to subtract the bottom number from it, we add 10 to it; this 10 is "borrowed" from the top digit to the left, which we subtract 1 from. Then we move on to subtracting the next digit and borrowing as needed, until every digit has been subtracted. Example: [citation needed]

  4. Help:Advanced table formatting - Wikipedia

    en.wikipedia.org/wiki/Help:Advanced_table_formatting

    Cut cells into parts: Instead of trying to make a super-cell that spans rows/columns, split it into smaller cells while leaving some cells intentionally empty. Use a non-breaking space with   or {} in empty cells to maintain the table structure. Custom CSS styling: Override the wikitable class defaults by explicitly specifying:

  5. Brainfuck - Wikipedia

    en.wikipedia.org/wiki/Brainfuck

    As a first, simple example, the following code snippet will add the current cell's value to the next cell: Each time the loop is executed, the current cell is decremented, the data pointer moves to the right, that next cell is incremented, and the data pointer moves left again. This sequence is repeated until the starting cell is 0. [-> + <]

  6. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition, which results in a sum, while − represents subtraction, resulting in a difference. [1]

  7. Mathematical operators and symbols in Unicode - Wikipedia

    en.wikipedia.org/wiki/Mathematical_operators_and...

    The Unicode Standard encodes almost all standard characters used in mathematics. [1] Unicode Technical Report #25 provides comprehensive information about the character repertoire, their properties, and guidelines for implementation. [1]

  8. Help:Sortable tables - Wikipedia

    en.wikipedia.org/wiki/Help:Sortable_tables

    In date sorting mode, this text needs to be put in a separate column; in the case of a cell containing a range of dates or numbers (e.g. from .. to ..), text in surplus of what is required for sorting is put in the extra column. If the first part of the text is used for sorting, then the extra column needs to be the following one; conversely ...

  9. Subtractor - Wikipedia

    en.wikipedia.org/wiki/Subtractor

    Like the half subtractor, the full subtractor generates a borrow out when it needs to borrow from the next digit. Since we are subtracting and from , a borrow out needs to be generated when < +. When a borrow out is generated, 2 is added in the current digit.