dhanarNaShaD vidhama - svarNa ## (Addition and Subtraction - svarNa) ## 
2007-04-26 guruvaasaraH ##(2007-04-26 Thursday)##
hyaH aham apRRicchhaM svarNa shabdasya kimarthaH bhavati iti| avinaashavaryaH adya maam alikhat - svarNa ##=## sva ##+## RRiNa| sva iti svaruupaH ##(positive number)## RRiNa iti taM ruupaM RRiNam ##(negative)##.
atra svara saMdhiH asti| 
a##/##aa ##+## RRi##/##RRI ##=## ar - tathaa sva ##+## RRiNa ##=## svarNa|