Presents short-cuts and time-saving methods of doing mathematical calculations

Ever find yourself struggling to check a bill or tax on a payslip? The Trachtenberg Speed System provides a course in refining basic mathematics skills to tackl

Do math more quickly and with more confidence — with less reliance on paper, apps, and calculators. For people who automatically run to the nearest calculator

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

Think Fast with Vedic Math Secrets and Mental Calculation Tricks! When you read Fast Math, you’ll discover Vedic Math Techniques for mastering basic functions