Forecalc is a core spreadsheet implementation in F# built for research purposes at the IT University of Copenhagen.

• Learn large-scale functional programming using an LR parser, pattern matching, and asynchronous parallel calculations.
• Compare different data representations for large spreadsheets.
• Compare object-oriented and functional programming styles in a substantial piece of software, including testability, maintainability, and code volume.

• Upgraded to .NET 8.
• Web App rewritten in Razor Pages.

• Solution and projects upgraded for latest version of F#.

Forecalc is a cross platform .NET 8 application:

dotnet restore
dotnet build
dotnet test
dotnet run --project src/Forecalc.Web