I got fed up of calculating my lotto chance every time! Hopefully you solo and lotto miners will find this useful! Shout out to CK for his great solo pool (here) and sidehack for his USB miners. You can check out the bitcointalk thread and contact me here.
Donations
182vfhNY4wWM4d41S6czYGi3bNaWHjNFC9
Changelog
Ver 1.3 11/03/17
The 1.2 changes now display when you enter your CK address.