dollarinflation v0.0.1

dollarinflation

calculate changes of relative buy power(inflation) in the US, in USD.

##Usage require dollarinflation, call it like this:
dollarinflation(startYear,endYear,amount)

where startYear is the year which's amount you have,
endYear is the year which's dollar value you'd like to convert to,
and where amount is the amount of money you have from startYear ##Disclaimer don't take the results as 24 carat gold.
change information obtained from dollartimes.