SYD: add formula and correct method's name

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      Change "sum-of-years' digits method" to "Sum-of-the-Years'-Digits method" that apparently is the correct name.

      Add formula as given at http://wiki.services.openoffice.org/w/index.php?title=Documentation/How_Tos/Calc:_SYD_function

      To calculate depreciation, SYD adds the year numbers during the asset's life; the year numbers taken backward and divided by that sum give the proportion of the total loss of value to assign to depreciation that year.

      SYD = (originalcost - salvagevalue) * (lifetime+1 - year) * 2 / ((lifetime+1) * lifetime)

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      Change "sum-of-years' digits method" to "Sum-of-the-Years'-Digits method" that apparently is the correct name. Add formula as given at http://wiki.services.openoffice.org/w/index.php?title=Documentation/How_Tos/Calc:_SYD_function To calculate depreciation, SYD adds the year numbers during the asset's life; the year numbers taken backward and divided by that sum give the proportion of the total loss of value to assign to depreciation that year. SYD = (originalcost - salvagevalue) * (lifetime+1 - year) * 2 / ((lifetime+1) * lifetime)
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      Changed "sum-of-years' digits method" to "Sum-of-the-Years'-Digits method" in both, Summary and Semantics.

      Added math formula
      SYD =

      {(Cost - Salvage) cdot (LifeTime+1 - Period) cdot 2}

      over

      {(LifeTime+1) cdot LifeTime}
      Show
      Changed "sum-of-years' digits method" to "Sum-of-the-Years'-Digits method" in both, Summary and Semantics. Added math formula SYD = {(Cost - Salvage) cdot (LifeTime+1 - Period) cdot 2} over {(LifeTime+1) cdot LifeTime}

      Broken out from OFFICE-916

      SYD

            Assignee:
            Eike Rathke (Inactive)
            Reporter:
            Eike Rathke (Inactive)
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              Created:
              Updated:
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