Introduction
  • Introduction
Addition Techniques
  • Easy Addition
Easy Subtraction Techniques
  • Finding the complement
  • Subtraction from base
  • Subtraction from multiple of base part1
  • Subtraction from multiple of base part2
  • Vinculum Numbers
  • Subtraction using vinculum
  • Subtraction of Numbers
Easy Multiplication Techniques
  • Doubling numbers
  • Multiplication by 4
  • Multiplication by 5
  • Multiplication by 8
  • Multiplication by 9 part1
  • Multiplication by 9 part2
  • Multiplication by 11
  • Multiplication by 12,13,14...
  • Multiplication within a base part1
  • Multiplication within a base part2
  • Multiplication within a base part3
  • Multiplication by vertically and crosswise part1
  • Multiplication by vertically and crosswise part2
  • Multiplication by vertically and crosswise part3
Division by All from 9
  • Part1
  • Part2
  • Part3
Straight division
  • Straight division part1
  • Straight division part2
Division by transpose and adjust
  • Division by transpose and adjust
  • Division by Transpose and adjust
Square of Numbers
  • Square of 2-diit numbers by duplex method
  • Square of 3 digit numbers by duplex method
  • Square of 2 digit numbers by rounding up and down
  • Square of 3 digit numbers by rounding up and down
  • Square of some special numbers
Finding the day of the week when a date in any year is given
  • Finding day from a date part1
  • Finding day from a date part2
Summary
  • Summary
  • Subtraction from base
  • Multiplication