Five different programming languages — ladder diagram, function block diagram, structured text, instruction list, and sequential function chart — are defined in the IEC 61131-3 standard ...

Third part of IEC 61131 standard specifies the syntax and semantics of a unified suite of programming languages for programmable controllers (PCs), of which most widely used are Function Block Diagram ...

The open source and cross-platform F# is officially described as a "universal programming language," but it's primarily used in functional programming ... to automatically fix problems. For F# in ...