Expand description
PNC engine — arbitrary-precision RPN calculator core.
Provides values, units, operations, parsing, stack history, and persistence.
The engine is a pure library with no I/O; the binary crate (pnc) owns
frontends (TUI/CLI), logging, and terminal lifecycle.
Re-exports§
pub use error::PncError;pub use persist::DisplayMode;pub use unit::Dimension;pub use unit::UnitId;pub use value::Value;