trying to collect all useful tutorials for famous C math and linear algebra libraries such as CBLAS, CLAPACK, GSL...

Fortran 2018 standard examples with broad applications

Fortran 2018 Reverse Polish Notation (RPN) calculator. Over 100 functions not in standard Fortran

Two dimensional high-order spectral element method fluid dynamics solver (this code is no longer maintained!)

Applied maths codes.

Line clipping in clean, simple, modern Fortran and Python

A mesh generator based on the DistMesh algorithm written in modern Fortran.

a library for nonlinear optimization written in Fortran

A case study in modernizing legacy Fortran software

Fortran portation of the waterhash algorithm

A collection of FORTRAN functions and subroutines

Simple multigrid method

Derivative version of OASIS3-MCT from CERFACS (https://verc.enes.org/oasis).