# 065. Fortran-lang suggested variable naming conventions
topic: {ref}`fortran-resources`
```{note}
This tip is a draft[^draft].
[^draft]: From the perspective of FortranTip Browser, "draft" means that
it hasn't been edited for formatting,
hasn't had corresponding Fortran programs added,
the text content hasn't been enhanced, etc.
Draft texts are extracted from the corresponding Tweet using the Twitter API.
```
Fortran-lang Best Practices:
1. Use lower case for all Fortran constructs, such as do, end do, if, then
2. Follow short mathematical notation for mathematical variables/functions
3. For other names use all lower case
Details at
---