Keeping tax calculations understandable

Would simplifying the tax system be worthwhile?

Yes. The proposed standard is a system that anyone with GCSE-level mathematics could calculate, although that degree of simplicity is acknowledged as disputed.

A personal standard for tax simplicity is that someone with GCSE-level mathematics should be able to calculate what they owe. The proposal responds to a question about simplifying taxation. The reply also acknowledges being told that such simplicity is impossible. The precise exemptions contemplated in the question remain unclear.