Really stuck – calculating depreciation?

Tap Forms – Organizer Database App for Mac, iPhone, and iPad Forums Using Tap Forms Really stuck – calculating depreciation?

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  • December 6, 2014 at 4:09 AM #12144

    tonyt
    Participant

    Hi
    I am trying to set up a form for Household Inventory that allows for depreciation. I am not even sure what fields to include to do the above, or how to ‘program’ it!!!
    What I am after is a calculation that shows the effect of time passing on an original cost.
    e.g Item cost £100 in 2010. Allowing for a fixed annual depreciation of 10% when viewing form in: 2011 Depreciation shows £10, item worth £90
    2012 Depreciation shows £9, item worth £81
    2013 Depreciation shows £8.1 item worth £72.9
    Is this possible? If so, what fields do I need and how do I set up the calculations?
    Powere users – HELP!
    Cheers
    tony

    December 6, 2014 at 4:21 AM #12146

    Leo
    Participant

    Tony,

    I see what you mean and want. This is only possible if you set all the years in one form. Different form calculations are not possible in TF.

    here is an example:

    Number field Cost = 1000
    calculated field year 1 = Cost / 100*90 i.e. 10% less
    calculated field year 2 = year 1 / 100 * 90 and so on.

    This way you can also take different % per year, just change the 90 into what you like

    Leo

    December 6, 2014 at 10:35 AM #12148

    tonyt
    Participant

    How about:

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    December 7, 2014 at 4:42 AM #12157

    Jbphil1
    Participant

    Depreciation is normally calculated based on the Estimated Useful Life of the item. So, you could set up the following fields:

    Purchase Price [number field, currency format]
    Purchase Date [date field]
    Est Useful Life (Yrs) [number field, decimal format, 0 decimal places]
    Depreciated Value [calculation field, with the following formula]

    [Purchase Price]-(($now-[Purchase Date])*([Purchase Price]/([Est Useful Life (Yrs)]*365.25*24*60*60)))

    The formula works out the depreciation from the purchase date to now (based on the depreciation per second over the estimated life).

    Hope this helps

    John P

    December 7, 2014 at 10:14 AM #12159

    tonyt
    Participant

    Many thanks for that John P

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