A new key to the exact sciences, or, A new and practical theory by which mathematical problems or algebraic equations of almost every description can be solved with accuracy and with greater facility and simplicity than they can be by any other method th: in which are also introduced a variety of useful and interesting problems, that have never before been proposed

Tillett, Francis.

Printed for the author by S.H. Davis, Winchester, [Va.], 1824.

510 Pam. v.2, no.28

64 p. ; octavo.