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| You can find the TradeBook in the EVE University Forum under the Research, Production, and Trade tab. | | You can find the TradeBook in the EVE University Forum under the Research, Production, and Trade tab. |
| Click [http://forum.eveuniversity.org/viewtopic.php?f=48&t=99347 here] to access the document.''' | | Click [http://forum.eveuniversity.org/viewtopic.php?f=48&t=99347 here] to access the document.''' |
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| <br>
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| ===Trading Math===
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| {{Update|Needs update due to the tex, fees, and skill changes in summer 2019.}}
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| Like almost all of Eve there is math. Fortunately most of the math in trading is basic math and/or the game does the math for you. If you want to find out how much you will be paying or selling an item please use the following equation.
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| '''X'''=The amount of units you want to buy or sell
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| '''U'''=The price of one unit of what your trying to buy or sell
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| '''P<sub>1</sub>'''=The overall cost of all the units you want to sell
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| '''P<sub>2</sub>'''<sub></sub>=The overall cost of the units you want to buy
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| '''B'''=The broker percentage in decimal form
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| '''E'''=The amount that you will get after a sell
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| '''A'''=The amount you will have to pay to buy something
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| <br>
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| '''X * U = P<sub>1</sub>'''
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| '''P<sub>1</sub> - (P<sub>1</sub> * B) = E'''
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| <br> '''X * U = P<sub>2</sub>'''
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| '''P<sub>2</sub> + (P<sub>2</sub> * B) = A'''
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| <br> So if you were buying PLEX for 100 isk each and you want 100 PLEX the amount you would have to pay after a 10% broker fee is 11,000 in isk. The equation for this is below.
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| '''100 * 100 = 10000'''
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| '''10000 + (10000 * .1) = 11000'''
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| <br>
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| And if you want to sell the same PLEX for the same price and amount and same brokers fee you will get 9000 isk and the equation will look like this:
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| '''100 * 100 = 10000'''
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| '''10000 - (10000 * .1) = 9000'''
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| <br> | | <br> |
