The young algebraist's companion, or, A new & easy guide to algebra

introduced by the doctrine of vulgar fractions : designed for the use of schools ... illustrated with variety of numerical & literal examples : with an appendix on the rudiments of quadratic equations ...

A new second edition to which are now added two supplements : the first containing ... problems ... which not only illustrate the method of expunging several unknown quantities, but the solutions of equations of the higher order ... : the second, the methods of exterminating two, three or more unknown quantities out of an equation ... by the Rev. John Hellens lll / by the late Mr. William Davis ...