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.
Practise Edexcel GCSE Computer Science Subprograms with exam-style questions for GCSE Computer Science. 29 questions covering Built-in and user-devised subprograms, Functions versus procedures, and Global and local variables, matched to the Edexcel GCSE Computer Science (1CP2) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.