I think they solve or/and calculate equations
The cast of A Reckoning - 2011 includes: Axelle Carolyn as The Woman Marcus Green as The Master of Ceremonies Leslie Simpson as The Lone Man Daniel Tee as The Red Death
dead reckoning --> deduced reckoning
Winter Reckoning was created in 1986.
Robin's Reckoning was created in 1993.
The ISBN of The Final Reckoning is 0750002727.
The Final Reckoning was created in 1990.
Left of Reckoning was created in 1984.
Imperial Reckoning was created in 2006.
Winter Reckoning has 253 pages.
House of Reckoning has 291 pages.
The Final Reckoning has 305 pages.
Reckoning Night was created in 2004-06.