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Fortran Builder

Plans and prices

Academic — USB-key (Windows) or node-locked (macOS/Linux), Fortran Builder 7.2

¥82,500one-time

Academic customers · single license

Floating license — academic, Fortran Builder 7.2

¥108,900one-time

Windows or Linux · concurrent-use licensing

General, corporate, or government — USB-key (Windows) or node-locked (macOS/Linu

¥166,100one-time

Single license · annual maintenance priced separately

Floating license — general/corporate/government, Fortran Builder 7.2

¥220,000one-time

Windows or Linux · concurrent-use licensing

Every plan, in full

On the record

Company
The Japanese maker is Nihon Numerical Algorithms Group K.K., established in 1994 and headquartered in Chuo-ku, Tokyo; its parent NAG is headquartered in Oxford, UK.nag-j.co.jp · read 11 Oct 2026
Compiler
It bundles the nAG Fortran compiler, which the maker says supports Fortran 77 through Fortran 2018 and partial OpenMP 4.0/4.5 support.nag-j.co.jp · read 11 Oct 2026
Diagnostics
The compiler checks for issues including nonconforming Fortran, uninitialized variables, and argument type errors; the maker describes 32 error-detection categories.nag-j.co.jp · read 11 Oct 2026
Distribution
Built executables and DLLs can run on PCs without Fortran Builder and do not require a Fortran Builder license key; programs using nAG Library require its license key.nag-j.co.jp · read 11 Oct 2026
Editor
The Fortran-specific editor provides syntax coloring and code completion, with project build and run available from a button.nag-j.co.jp · read 11 Oct 2026
Integrations
The product can build DLLs for use from other language environments, with maker examples for Excel and Python, and supports mixed Fortran and C/C++ development.nag-j.co.jp · read 11 Oct 2026
Learning
It includes a Japanese Fortran 90/95 programming e-book whose example programs can be run from the product.nag-j.co.jp · read 11 Oct 2026
Libraries
LAPACK is included, while linking the nAG Library requires a separate paid license.nag-j.co.jp · read 11 Oct 2026
Licensing limit
Version 7.1 and earlier license keys cannot be used with version 7.2.nag-j.co.jp · read 11 Oct 2026
Product
Fortran Builder is an integrated development environment for creating, editing, compiling, linking, running, and debugging Fortran programs.nag-j.co.jp · read 11 Oct 2026
Support
Email support for maintained licenses is available on business days during stated Japanese office hours; user-program debugging and development questions are excluded.nag-j.co.jp · read 11 Oct 2026
Trial
A four-week trial is offered to people affiliated with companies, research institutions, or universities; the maker says it usually emails a trial key within one business day.nag-j.co.jp · read 11 Oct 2026

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