Do you want to ask a question? Are you looking for technical support? For any kind of question regarding CoolProp and its usage, you can ask the [CoolProp user group](https://goo.gl/Pa7FBT) If you have an issue to report, please continue and fill out the applicable sections below. The details provided will help to resolve this issue as quickly as possible. ### Prerequisites Before posting an issue, please: * Check the [CoolProp User Group](https://goo.gl/Pa7FBT) for common solutions. * Check that your issue isn't already filed under [CoolProp Issues](https://github.com/CoolProp/CoolProp/issues). * Check the CoolProp [latest release](http://www.coolprop.org) and [development version](http://www.coolprop.org/dev) documentation. ### Description [Description of the issue] ### Steps to Reproduce 1. [First Step] 2. [Second Step] 3. [and so on...] **Expected behavior:** [What you expect to happen] **Actual behavior:** [What actually happens] ### Versions **CoolProp Version:** [CoolProp version you are using] **Operating System and Version:** [OS you are running CoolProp on] **Access Method:** [How you are accessing CoolProp (i.e. Python, other wrapper, direct C++ calls, etc.)] ### Additional Information If possible, please post examples and/or screenshots of the issue.