Калькулятор
[currencygraph currency1="btc" currency2="usd"]
[currencyprice currency1="btc" currency2="usd,eur,rub" feature="calculator"]
[currencyprice currency1="ltc" currency2="usd,eur,rub" feature="calculator"]
[currencyprice currency1="eth" currency2="usd,eur,rub" feature="calculator"]