The key to The tutor's guide: or, the arithmeticians repository. Containing the solutions of the questions, &c. in The tutor's guide. With the references as they stand in the second edition. To which is added ... some useful rules, ... Likewise an appendix, ... The second edition, corrected. By Charles Vyse, ...
Vyse, Charles,active 1770-1815.
London : printed for G. Robinson,
1775.
ESTC