Welcome to the Tol Project

the Tol graphical user interface, Tolbase

What is TOL?

TOL is the Time Oriented Language.

It is a programming language dedicated to the world of statistics and focused on time series analysis and stochastic processes.

It is a declarative language based on two key features: simple syntactical rules and powerful set of extensible data types and functions.

TOL is callable by a small text console, but there is also a graphical interface to easily handle all language's tools and functions, providing powerful graphical capacities.

TOL is distributed under the GNU GPL license. A copy of this license is included within the TOL source code and can be accessed following this link.


MMS is a Model Management System.

It is a set of TOL packages developed for model design and estimation.

At https://mms.tol-project.org you can find further information.

See also the new documents for TOL and MMS user at this page (spanish).

Starting Points