A Practical System of Mental Arithmetic: Or, a New and Infallible Method of Making Calculations by the Mere Action of a Thought. 1St Lond. Ed., Stereo
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Break free from tedious pencil and paper mathematics with this revolutionary new method of performing mental arithmetic. Written by John White, this book is an essential resource for students, teachers, and anyone else looking to improve their math skills and impress their friends with lightning fast calculations. 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 di...
Break free from tedious pencil and paper mathematics with this revolutionary new method of performing mental arithmetic. Written by John White, this book is an essential resource for students, teachers, and anyone else looking to improve their math skills and impress their friends with lightning fast calculations. 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.
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