Processor 3.2 GHz Intel Core i5
Memory 8 GB 1600 MHz DDR3
Graphics NVIDIA GeForce GT 755M 1024 MB
Software OS X 10.9.4 (13E28)
Happends in all of them. Dont know what happened, i was getting wrong results of Y, now its correct (except for max Y being 1325, which i think its mac maximum becouse of dock)