MATHEMATICS n.
Geometry, including Trigonometry and Conic Sections. 3. Analysis, in which letters are used, including Algebra, Analytical Geometry, and Calculus. Each of these divisions is divided into pure or abstract, which considers magnitude or quantity abstractly, without relation to matter; and mixed or applied, which treats of…
OPHTHALMIC a.
e region of, the eye; ocular; as the ophthalmic, or orbitonasal, nerve, a division of the trigeminal, which gives branches to the lachrymal gland, eyelids, nose, and forehead. Ophthalmic region (Zoöl.), the space around the eyes.
RO2 R2O5 RO3 R2O7 RO4 ----------------------------------------------- n.
a function whose values recur at fixed intervals as the variable uniformly increases. The trigonomertic functions, as sin x, tan x, etc., are periodic functions. Exponential functions are also periodic, having an imaginary period, and the elliptic functions have not only a real but an imaginary period, and are hence ca…