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Grammelogia, or, The mathematicall ring
extracted from the logarythmes, and projected circular : now published in th[e] inlargement thereof unto any magnitude fit for use, shewing any reasonable capacity that hath not arithmeticke, how to resolve and worke, all ordinary operations of arithmeticke : and those that are most difficult with greatest facilitie, the extract on of rootes, the valuation of leases, &c. the measuring of plaines and solids, with the resolution of plaine and sphericall triangles applied to the practicall parts of geometrie, horo[l]ogographic, geographie, fortification, navigation, astronomie, &c, and that onely by an ocular inspection, and a circular motion -
Arithmetique made easie
in tvvo bookes. The former, of naturall arithmetique: containing a perfect method for the true knowledge and practice of arithmetique, according to the ancient vulgar way, without dependance vpon any other author for the grounds thereof. The other of artificiall arithmetique, discovering how to resolve all questions of arithmetique by addition and subtraction. Together with an appendix, resolving likewise by addition and subtraction all questions, that concerne equation of time, interest of money, and valuation of purchases, leases, annuities, and the like. By Edm. Wingate