CURTA Mathematical Handbook (booklet in english language)

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Curta Mathematical Handbook An Aid to Every Day Figuring Problems, Tables, Formulas Arithmitical Rules This a high quality reprint of the original 64 page “mathematical handbook” in English, originally published by The CURTA Company, Van Nuys, California It measures approximately 77 by 154 millimetres (3" x 6") in size and contains short description, technical datas about the curta, tables, conversion factors, formulas for Science, Business & Industry. The original booklet is out of print since many years.It’s very hard to find and purchase. A booklet which is a must for the curta enthusiast Here are some emamples from the inside: