Pick a table
Practice
12 questions from your chosen table, in random order.
Use x, + โ * / ^, brackets, sin cos tan sqrt abs log ln, pi. Drag to pan, scroll or use buttons to zoom.
Did you know?
Indian mathematicians gave the world the place-value system with zero. Aryabhata (5th century) calculated ฯ to about 3.1416, and Brahmagupta wrote rules for working with zero and negative numbers. Srinivasa Ramanujan, from Tamil Nadu, discovered thousands of results about numbers โ 1729 is famous as the โHardyโRamanujan numberโ. Type 1729 to see why!