Science and Education Publishing Turkish Journal of Analysis and Number Theory 2 6 2014 12 14 A Double Inequality for the Harmonic Number in Terms of the Hyperbolic Cosine 223 225 EN Da-Wei Niu College of Information and Business, Zhongyuan University of Technology, Zhengzhou City, Henan Province, China Yue-Jin Zhang Feng Qi TJANT2014266 10.12691/tjant-2-6-6 2014 12 03 2014 12 08 2014 12 14 In the paper, the author present an inequality for bounding the harmonic number in terms of the hyperbolic cosine.