# Elements of arithmetic

Author: De Morgan, Augustus, 1806-1871

Genre: Category: Mathematics

Language: English

License: Public domain

Source: https://www.gutenberg.org/ebooks/68662

Amazon editions: https://www.amazon.com/s?k=Elements+of+arithmetic+De+Morgan&tag=cyberlibrar00-20

## Summary

SECTION PAGE I. Numeration 1 II. Addition and Subtraction 14 III. Multiplication 24 IV. Division 34 V. Fractions 51 VI. Decimal Fractions 65 VII. Square Root 89 VIII. Proportion 100 IX. Permutations and Combinations 118

## Chapters

- [BOOK I.](https://www.cyberlibrary.org/en/books/elements-of-arithmetic-68662/chapters/3/index.md)
- [BOOK II.](https://www.cyberlibrary.org/en/books/elements-of-arithmetic-68662/chapters/4/index.md)
- [Part III. 1s. 6d.](https://www.cyberlibrary.org/en/books/elements-of-arithmetic-68662/chapters/7/index.md)
- [BOOK II.](https://www.cyberlibrary.org/en/books/elements-of-arithmetic-68662/chapters/2/index.md)
- [BOOK I.](https://www.cyberlibrary.org/en/books/elements-of-arithmetic-68662/chapters/1/index.md)
- [Part II. 1s. 6d.](https://www.cyberlibrary.org/en/books/elements-of-arithmetic-68662/chapters/6/index.md)
- [Part I. 1s. 6d.](https://www.cyberlibrary.org/en/books/elements-of-arithmetic-68662/chapters/5/index.md)