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  2. Calculus of voting - Wikipedia

    en.wikipedia.org/wiki/Calculus_of_voting

    A political science model based on rational choice used to explain why citizens do or do not vote. The alternative equation is V = pB + D > C. Where for voting to occur the (P)robability the vote will matter "times" the (B)enefit of one candidate winning over another combined with the feeling of civic (D)uty, must be greater than the (C)ost of ...

  3. D'Hondt method - Wikipedia

    en.wikipedia.org/wiki/D'Hondt_method

    Say there are p parties and s seats. Then a grid of numbers can be created, with p rows and s columns, where the entry in the i th row and j th column is the number of votes won by the i th party, divided by j. The s winning entries are the s highest numbers in the whole grid; each party is given as many seats as there are winning entries in ...

  4. 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 ...

  5. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Excel offers many user interface tweaks over the earliest electronic spreadsheets; however, the essence remains the same as in the original spreadsheet software, VisiCalc: the program displays cells organized in rows and columns, and each cell may contain data or a formula, with relative or absolute references to other cells.

  6. Single transferable vote - Wikipedia

    en.wikipedia.org/wiki/Single_transferable_vote

    The single transferable vote (STV) or proportional-ranked choice voting (P-RCV) [a] is a multi-winner electoral system in which each voter casts a single vote in the form of a ranked ballot. Voters have the option to rank candidates, and their vote may be transferred according to alternative preferences if their preferred candidate is ...

  7. Effective number of parties - Wikipedia

    en.wikipedia.org/wiki/Effective_number_of_parties

    An alternative formula was proposed by Grigorii Golosov in 2010. [9]= = + which is equivalent – if we only consider parties with at least one vote/seat – to = = + (/) Here, n is the number of parties, the square of each party's proportion of all votes or seats, and is the square of the largest party's proportion of all votes or seats.

  8. Quota rule - Wikipedia

    en.wikipedia.org/wiki/Quota_rule

    In mathematics and political science, the quota rule describes a desired property of proportional apportionment methods. It says that the number of seats allocated to a party should be equal to their entitlement plus or minus one.

  9. Quota method - Wikipedia

    en.wikipedia.org/wiki/Quota_method

    The quota or divide-and-rank methods make up a category of apportionment rules, i.e. algorithms for allocating seats in a legislative body among multiple groups (e.g. parties or federal states).