Ray's New Practical Arithmetic

Published in 1877, Ray's Practical Arithmetic is a straight forward textbook designed for teaching the basic skills of mathematics.

Topics include:
Arabic (0, 1, 2, 3, 4, 5, etc.) numbering
Roman numerals
Addition
Subtraction
Multiplication
Division
Compound numbers
Weights and Measures (English and Metric)
Factoring
Fractions
Decimals
Precentages
Interest
Discounts
Exchange
Insurance
Taxes
Ratios
Porportions
Involution (Powers)
Evolution (Roots)
Mensuration (Geometric shapes, perimeter, area, volume)
Progressions (Series)

This IS a public domain work. Most editions you will find are unedited OCR versions that contain frequent errors, no formatting (like bold or italicized text) and large gaps where one page ends and the next begins. This version has been restored.

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