Vocabulary consisting only from characters you are able to read
正確な
seikaku na
accurate, punctual, exact, authentic, veraciousjlpt3
円関数
enkansuu
(math) circular function, trigonometric functionmath
大して
taišite
(not so) much, (not) verymix
入門書
njuumonšo
primer, manual, introductory bookmix
切れる
kireru
(1)to cut well/to be sharp/ (2)to break (off)/to snap/to wear out/ (3)to be injured/ (4)to burst/to collapse/ (5)to be disconnected/to be out of/to expire/to sever (connections) with/ (6)to be shrewd ichidan, jlpt3, leda1, verb, vintrans