FX Draw Tools
| Windows | September 23 2022 | Download | Alternative |
| Mac | September 23 2022 | Download | Alternative |
FX ScienceTools
| Windows | September 23 2022 | Download | Alternative |
| Mac | September 23 2022 | Download | Alternative |
Legacy Versions
Older versions for old computers.
| Mac OSX - Old Versions | FX DrawTools | Download |
| Mac OSX - Old Versions | FX ScienceTools | Download |
Miscellaneous
| Efofex Help PDF | Download | |
| POSTER - Infinity in Small Places | February 22 2010 | Download |
| POSTER - Wonky Wheels | February 22 2010 | Download |
| US W8-BEN-E and Declaration | 8 November 2020 | Download |
Current Version Information
| FX Draw (Win) | Version History | V22.9.23 |
| FX Draw (Mac) | Version History | V22.9.23 |
| FX Equation (Win) | Version History | V22.9.23 |
| FX Equation (Mac) | Version History | V22.9.23 |
| FX Graph (Win) | Version History | V22.9.23 |
| FX Graph (Mac) | Version History | V22.9.23 |
| FX Stat (Win) | Version History | V22.9.23 |
| FX Stat (Mac) | Version History | V22.9.23 |
| FX Chem (Win) | Version History | V22.8.5 |
| FX Chem (Mac) | Version History | V22.7.22 |
| FX ChemStruct (Win) | Version History | V22.8.5 |
| FX ChemStruct (Mac) | Version History | V22.7.22 |
| FX Online (Win BETA) | Version History | V22.1.1 |
| FX Online (Mac BETA) | Version History | V22.1.1 |
Obsolete Versions
Obsolete perpetual license versions of our products are available to registered users. If you need to download an old version you are licensed for, contact us directly and we will send you a download link.