libcreal-ocaml-dev software package provides OCaml library that implements exact real arithmetic, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libcreal-ocaml-dev
libcreal-ocaml-dev is installed in your system.
Make ensure the libcreal-ocaml-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcreal-ocaml-dev *
You will get with libcreal-ocaml-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Ocaml |
| Package | libcreal-ocaml-dev |
| Version | 0.7-6+b4 [amd64, armel, i386, |
| Description | OCaml library that implements exact real arithmetic |
| Sub Section | Ocaml |