Originally published in 1893, this book provides a comprehensive guide to logarithmic and natural functions. With clear explanations and easy-to-use tables, Charles Hamilton Ashton and Walter Randall Marsh make it simple to perform complex calculations quickly and accurately. This book is an essential reference for students, engineers, and anyone else who needs to work with logarithmic functions on a regular basis.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.

Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.