A software engineer is developing a high-fidelity orbital mechanics simulator for a satellite launch company. When implementing the complex numerical integration algorithms required to calculate orbital trajectories, they decide to use built-in library routines from an established scientific computing library, rather than writing their own user-devised subprograms.
Describe two distinct advantages to the engineer of using these built-in library routines instead of writing their own user-devised subprograms for these complex calculations.
29 exam-style questions on Edexcel GCSE Computer Science Subprograms, covering Built-in and user-devised subprograms, Functions versus procedures, and Global and local variables. Each one has a worked solution and a mark scheme showing where the marks go.