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Ederic Stone
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Posted - 2009.10.02 16:57:00 -
[1]
Edited by: Ederic Stone on 02/10/2009 16:57:40 Hello, I am pretty new to EVE and have been exploring the industrial side of the game. Being an anal person I maintain Excel "books" for my business. While trying to reconcile for the month I started to notice weird anomalies in the calculations done by EVE that randomly threw me off a penny or two on certain transactions. This seemed to happen when unit prices were not evenly divisible by .1 ISK.
For Example - here is a specific and actual SELL transaction I sold 250 items for $5.27. My calc results in $1317.50 My downloaded Journal file shows $1317.48 Weirder still, the online journal shows $1317.47 - and the running balance in the journal (download and online) is based on $1317.47
Does anyone know why the download journal file does not equal the online journal, or most importantly why neither equal proper math? There are actually about a dozen or so examples of this in my journal for September.
Is this a known issue?
I originally posted this in the issues forum, but thought maybe some fellow traders would be more familiar with this.
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ingenting
20th Legion Sodalitas XX
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Posted - 2009.10.02 17:05:00 -
[2]
what is $ ?
have you included transaction tax?
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Tekota
legion industries ltd Veni Vidi Vici
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Posted - 2009.10.02 17:10:00 -
[3]
Edited by: Tekota on 02/10/2009 17:12:48 Interesting, I can't say as I've noticed it but then I guess I've not really looked that hard. As you imply I can only assume that there are calculation going on to the third or more decimal place for tax and the like and this is getting rounded to two decimal places on the next journal entry?
And personally I didn't have any problem knowing that the $ was pretty obviously used as shorthand for ISK, or SpaceBucks or whatever we're calling our pixels today :D
EDIT: Oooh, OR, CCP are secretly squirreling away 1 cent/penny/whatever I'm supposed to call a hundredth of an ISK off every transaction into a secret slush fund.
I'll get my (tinfoil) hat...
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Dretzle Omega
Caldari Global Economy Experts Stellar Economy Experts
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Posted - 2009.10.02 17:11:00 -
[4]
I would have guessed something like somebody bought something from you, but they clicked an order a penny or two more expensive than yours. You would have sold it, but for that item for a slightly higher price.
Although, that would have made the ISK to go up, not down.
What does your transaction log say? As opposed to the journal log. Does the transaction agree with the journal?
And finally, you are so anal that when dealing with thousands and millions of ISK, you care about 0.03 ISK? I mean, a real life banker has to for the books to balance and money not be funneled out 0.01$ at a time, but I hardly see the point in Eve. Worst case scenario and you lose 0.03 ISK for every order you put up, dealing with even 500 or even 10,000 orders a day, that's something like 100 ISK? If you can't afford to lose even 100 ISK you may be in the wrong place.
Not dogging you. Just my 0.02 ISK. If you'd like, when I get online next I will transfer the 0.03 ISK to you. :)
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Guerrin Stone
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Posted - 2009.10.02 17:13:00 -
[5]
$ = lazy mans ISK
Transaction Tax shows as a separate entry in the journals and has been correct in all cases. It would not impact the entry for the Market Transaction itself.
The erroneous entries seem restricted to item sales. I'm guessing it has something to do with the variable types being used by CCP.
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Guerrin Stone
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Posted - 2009.10.02 17:20:00 -
[6]
Edited by: Guerrin Stone on 02/10/2009 17:25:16 Thanks for the responses.
The transaction log agrees with the journal. The Qty and Price sold are accurate (250 items at 5.27). And again, tax is a separate journal entry and would have nothing to do with this.
I am in no way concerned about the .03 of course, it is simply a matter of understanding how things work, and I must admit a little shock that a major piece of commercial software cannot properly multiply two basic numbers. Knowing this bug exists will simply cause me to modify my Excel formulas to import the total revenue as calculated by EVE instead of doing the calculation in the spreadsheet (eg UnitQty * Price = Revenue).
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Tobias Wright
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Posted - 2009.10.02 17:30:00 -
[7]
Ever seen superman 3?
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Zarofdium
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Posted - 2009.10.02 17:51:00 -
[8]
I used to balance the books for a "small business."
Typically in an average day, we would run about thirty five thousand dollars in quite a few different areas.
During reconciliation of the books, I noticed as well that the handling of "rounding" does seem to vary slightly. We utilized a variety of different programs, most notably Quickbooks, and Excel tied into Access (this was before internet web sites had inexpensive programs to tie in spreadsheets and tables---> .ASP databases).
Usually the bankers and credit card companies will round off the extra change (we don't deal with anything less than 1 penny in the United States, however, it does appear quite often). Whether or not they were rounding to their advantage or ours- it was difficult to say.
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Adunh Slavy
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Posted - 2009.10.02 18:59:00 -
[9]
It may be the data type being used and/or how it is represented. Perhaps some have noticed, attempting to empty a wallet division, often times you need to leave 0.01 ISK. zero does indeed equal zero, but the GUI seems not to be showing beyond two significant digits. It could be that your thousandth of an ISK is in your wallet, you just aren't seeing it. Could be you've 1 millionth of an ISK some place.
If the data type is a float, then perhaps this could also account for some of the variability.
The Real Space Initiative - V6 (Forum Link)
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Elora Danzik
Caldari Idiots In Spaceships Psychotic Tendencies.
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Posted - 2009.10.02 19:32:00 -
[10]
I noticed this sometimes.
But usually it was as stated above. Someone put in a buy order for all kesterals in the area at X price while mine was the below that price and lower then the next highest. So I got X when the order was for Y < X however, in the grand scheme of daily buisness $.01 is not that big a deal.
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