How to become a Lightning Calculator by Anonymous is part of the HackerNoon Books Series. Read this book online for free on HackerNoon!
Title: How to become a lightning calculator
Author: Anonymous
Release date: April 13, 2021 [eBook #65078]
Language: English
How to Add Two Columns at Once.
The Lightning Calculator’s Addition.
Proof of Multiplication in Ten Seconds.
Short Method to Find the Interest of a Given Sum.
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This book is part of the public domain. Anonymous (2021). How to become a lightning calculator. Urbana, Illinois: Project Gutenberg. Retrieved https://www.gutenberg.org/cache/epub/65078/pg65078-images.html
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