Learn Fortran - 10 Code Examples & CST Typing Practice Test
Fortran (Formula Translation) is a high-level, compiled programming language designed for numeric computation, scientific computing, and engineering applications. Known for its efficiency in numerical calculations, Fortran has been a standard in scientific computing for over 60 years.
Learn FORTRAN with Real Code Examples
Updated Nov 20, 2025
Learning Path
Learn Fortran syntax and variables
Master arrays and intrinsic functions
Understand modules and subroutines
Learn file I/O and formatted output
Practice numerical problem solving
Skill Improvement Plan
Week 1: Variables, loops, conditionals
Week 2: Subroutines, modules, functions
Week 3: Arrays, intrinsic functions, I/O
Week 4: Parallel programming (OpenMP/MPI)
Interview Questions
Explain the difference between Fortran 77 and Fortran 90.
How do you pass arrays to subroutines?
What is the purpose of modules?
How do you parallelize loops?
What are intrinsic functions in Fortran?
Cheat Sheet
program name ... end program name
subroutine subname(args) ... end subroutine
do i=1,n ... end do
if (condition) then ... end if
print *, 'Hello World'
Books
Modern Fortran Explained
Introduction to Fortran 90/95
Numerical Recipes in Fortran
Tutorials
Fortran Tutorial by TutorialsPoint
Modern Fortran Guide
HPC Fortran Programming Tutorials
Official Docs
ISO Fortran Standards
Fortran-lang.org
Intel Fortran Documentation
Community Links
Fortran-lang.org
StackOverflow Fortran tag
GitHub Fortran repositories
Community Support
StackOverflow Fortran tag
Fortran-lang.org community
GitHub HPC & Fortran projects
HPC forums
University research labs
Frequently Asked Questions about Fortran
What is Fortran?
Fortran (Formula Translation) is a high-level, compiled programming language designed for numeric computation, scientific computing, and engineering applications. Known for its efficiency in numerical calculations, Fortran has been a standard in scientific computing for over 60 years.
What are the primary use cases for Fortran?
Scientific simulations. Numerical and matrix computations. High-performance computing. Weather & climate modeling. Finite element analysis. Computational physics & chemistry
What are the strengths of Fortran?
High computational performance. Mature ecosystem in scientific computing. Efficient memory and vectorized operations. Widely supported in HPC systems. Legacy codebases in critical scientific domains
What are the limitations of Fortran?
Primarily numerical, not general-purpose. Older syntax can be verbose. Limited libraries for modern tasks outside science. Cross-platform GUIs are weak. Complex parallel programming setup
How can I practice Fortran typing speed?
CodeSpeedTest offers 10+ real Fortran code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.