What does the cryptic crossword clue "Thing reversed in chart I revised as piece of mathematics (10)" mean?

This cryptic clue uses wordplay to arrive at the answer. Visit the page for progressive hints — definition, wordplay type, and a full step-by-step explanation.

Thing reversed in chart I revised as piece of mathematics (10)

Guardian Cryptic #29973 | 23 Across | 2026-04-06 flower

← Back to puzzle

Visit Guardian's puzzle site →