Introduction - If you have any usage issues, please Google them yourself
A simple calculator, you can achieve of ⑴ sine sin ⑵ the cosine cos ⑶ tangent tan ⑷ open square sqrt ⑸ anyway chord arcsin ⑹ inverse cosine arccos ⑺ arctangent the the arctan ⑻ common number the lg ⑼ Nature of exp ⑾ exponentiation function ∧ number ln ⑽ e Index