Sanjay Guilati (author) has been teaching computer and mathematics in Bhilai, state Chattisgarh in India for 15 years. Currently he is a teacher in a senior secondary school and he is also involved in teacher training. His online work can be found in Mathematics Academy.
In my previous post (download pdf here) on multiplication by Nikhilam Method, I described how to multiply two numbers near base , when both are either above base or both are below base. Here we will discuss how to multiply two numbers out of which one is more and other is less than the base.
Let us now discuss how to multiply two numbers which are not near base (10 ,100 …..) . Product is found by sub-sutra ‘Anurupyan’ meaning Proportionately. We will choose a proportionate sub-base. » Read more