* Handle reduced precision with many approximate calculations (e.g. when calculating sine using sum() function)
* Quoted ")" in function
* Replace pointers to unit when unit type has changed (a different object must be created)

* Enhanced integration

* More functions
* More units

* Increase support for non-glibc systems

* Sane and stable API

* Script/code plugins for advanced functions

* Uncertainty propagation

* Load data set from csv file