{"action":"opened","issue":{"url":"https://api.github.com/repos/highcharts/highcharts/issues/4954","labels_url":"https://api.github.com/repos/highcharts/highcharts/issues/4954/labels{/name}","comments_url":"https://api.github.com/repos/highcharts/highcharts/issues/4954/comments","events_url":"https://api.github.com/repos/highcharts/highcharts/issues/4954/events","html_url":"https://github.com/highcharts/highcharts/issues/4954","id":128518906,"number":4954,"title":"sum in waterfall chart is not calculated correctly","user":{"login":"iddofontijn","id":7559060,"avatar_url":"https://avatars.githubusercontent.com/u/7559060?v=3","gravatar_id":"","url":"https://api.github.com/users/iddofontijn","html_url":"https://github.com/iddofontijn","followers_url":"https://api.github.com/users/iddofontijn/followers","following_url":"https://api.github.com/users/iddofontijn/following{/other_user}","gists_url":"https://api.github.com/users/iddofontijn/gists{/gist_id}","starred_url":"https://api.github.com/users/iddofontijn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/iddofontijn/subscriptions","organizations_url":"https://api.github.com/users/iddofontijn/orgs","repos_url":"https://api.github.com/users/iddofontijn/repos","events_url":"https://api.github.com/users/iddofontijn/events{/privacy}","received_events_url":"https://api.github.com/users/iddofontijn/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-01-25T11:41:18Z","updated_at":"2016-01-25T11:41:18Z","closed_at":null,"body":"See this [jsfiddle](http://jsfiddle.net/5rayxrew/1/).\r\n\r\nSomehow 0.0000000000002 is added to the sum. I've also seen a case where this amount is extracted from the sum."}}