TROLL offers numerous features to facilitate sophisticated mathematical calculations and data transformations:

• a robust, powerful, and convenient modelling language with which to specify calculations. The TROLL modelling language includes the following features:
  • strong typing, so that you always know what kind of data you're working with
  • support for conditionals within expressions
• safe, unlimited, automatic array processing
  • arrays can be either constant or time series
  • arrays can have any number of dimensions of any size
  • support for zero-size dimensions allows you to initialize an array before you have anything to put in it
• more than 200 built-in functions, including
  • standard arithmetic functions
  • matrix operations
  • time series operations
  • creating, storing, and restructuring data
  • interaction with the host operating system