Clash is a functional hardware description language that borrows both its syntax and semantics from the functional programming language Haskell. The Clash compiler transforms these high-level descriptions to low-level synthesizable VHDL, Verilog, or SystemVerilog.

FIAT is a collection of selected Fortran utility libraries, extracted from the IFS/Arpege model used at ECMWF. It provides: drhook : tracing gstats : timing parkind : choose precision mpl : MPI communication mpi_serial: MPI dummy symbols compiled into static library other various routines

Geo::Calc implements a variety of calculations for latitude/longitude points

There are several formats used to present geographic coordinates. For example:

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.

The Math::Units module converts a numeric value in one unit of measurement to some other unit. The units must be compatible, i.e. length can not be converted to volume. If a conversion can not be made an exception is thrown.