Paper, 'On the calculus of symbols (second memoir)' by W H L [William Henry Leighton] Russell Subject: Mathematics Published in Philosophical Transactions as 'On the calculus of symbols. — Second memoir'. Communicated by A [Arthur] Cayley. Received by the Royal Society on 7 January 1862. Read 30 January 1862. Abstract published in Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society of London], Volume 11, 1862. [1862]