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Differential calculus was a mathematical discipline the Seventh Doctor once used to solve for the Holy Number of Nirvana on the planet Tora. (COMIC: The Enlightenment of Ly-Chee the Wise)
Differential calculus was a mathematical discipline the Seventh Doctor once used to solve for the Holy Number of Nirvana on the planet Tora. (COMIC: The Enlightenment of Ly-Chee the Wise)