# Invention (what am I missing?)

**URL:** <https://forums.eveonline.com/t/invention-what-am-i-missing/190948>\
**Category:** Science & Industry\
**Created:** [September 18, 2019, 10:43am UTC](https://forums.eveonline.com/t/invention-what-am-i-missing/190948 "2019-09-18T10:43:11Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![Miss\_TechFive](https://sea1.discourse-cdn.com/eveonline/user_avatar/forums.eveonline.com/miss_techfive/32/161317_2.png) [@Miss\_TechFive](https://forums.eveonline.com/u/Miss_TechFive)\
**Post date:** [September 18, 2019, 10:43am UTC](https://forums.eveonline.com/t/invention-what-am-i-missing/190948/1 "2019-09-18T10:43:11Z")

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HI all,

I just checked my last 25 jobs on invention (as that’s all the history allows me to check, suspect!) I know this is not a lot of data to reconcile my issue. However, not one of the 25 jobs met or exceeded the advertised potential success rate. In addition, the empirical evidence suggests that there has never been ANY invention job EVER to exceed the stated percentage. I invent a lot across multiple characters and use very large numbers of copies in one go (say 300) is this my problem?

1. is there a way to check more than the last 25 jobs, does history only go back a limited amount of months?

2. does the amount of copies invented at one time make a different e.g 10 or 30 ? I don’t think so but i am scratching my head as to wtf is going on?!!??

From speaking to people I know a lot just mindless invent and don’t keep an eye on stuff.

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