We are pleased to announce Sundials/ML, an OCaml interface to the Sundials suite of numerical solvers (CVODE, CVODES, IDA, IDAS, KINSOL). Information and documentation: http://inria-parkas.github.io/sundialsml/ Source code (BSD): https://github.com/inria-parkas/sundialsml opam install sundialsml # (requires Sundials 2.5.0) We gratefully acknowledge the original authors of Sundials, and the support of the ITEA 3 project 11004 MODRIO (Model driven physical systems operation), Inria, and the Departement d'Informatique de l'ENS. Timothy Bourke, Jun Inoue, and Marc Pouzet.