Porter’s New System of Mathematics delivers a simpler, faster path to everyday arithmetic.
This edition adds a complete ready reckoner for farmers and mechanics, grounding calculations in a clear, practical method designed to save time and reduce confusion.
The work argues for a streamlined approach to numbers, showing how to work with whole numbers even when questions involve fractions, and teaching a universal proportion method that covers many common business tasks. It emphasizes practical steps over theory, aiming to equip readers with reliable, repeatable results for shop, field, and workshop.
Inside you’ll find straightforward explanations, rule-based calculations, and plenty of worked examples that illustrate real-life problems. The approach is organized to build confidence from basic numeration to more complex proportional reasoning, making it suitable for learners at home, in the classroom, or in small businesses.
- How to reduce complex calculations to simple, whole-number steps.
- Practical rules for addition, subtraction, multiplication, and division applied to everyday tasks.
- A complete ready reckoner to speed up calculations for common trades and farming work.
- Guidance on applying pure proportion to a wide range of problems without heavy algebra.
Ideal for readers who need practical math that works in daily life, business, and craft work. If you’re looking for a dependable, steady-method arithmetic resource, this edition fits well with mercantile and mechanical tasks alike.