Learn MODULA with Real Code Examples

Modular calculator with separate arithmetic modules

File processing system with input/output modules

Simple operating system kernel modules

Data structure library with stack/queue modules

Educational examples for teaching programming concepts

Check module interface and implementation match

Ensure correct module import statements

Verify compiler compatibility

Check type mismatches

Compile all modules before linking

Unit testing of procedures within modules

Integration testing across modules

Compile-time checks for type safety

Trace execution for debugging

Use assertions to validate invariants

Compiled native executables

Embedded system binaries

Academic or educational software distribution

OS-specific module libraries

Standalone command-line programs

Modula-2 / Modula-3 compilers

IDE support (older Turbo Modula, modern editors)

Makefiles or build scripts for module compilation

Static analyzers for type checking

Educational tools for teaching programming concepts

Linking with system libraries for I/O and math

Educational simulators for Modula programs

Interfacing with assembly or C modules if needed

Legacy operating system projects

Academic compiler projects

Use modular structure to simplify development

Write clear interfaces for modules

Separate compilation reduces build time

Test modules independently

Document all modules for maintainability

Limited modern tooling

Debugging module interfaces

Integrating with modern languages

Memory and pointer management in low-level modules

Understanding historical conventions