CoinPayments is a cloud wallet solution that offers an easy way to integrate a checkout system for numerous cryptocurrencies. Coinpayments now also offers coin conversion via Shapeshift.io.
Extensible SI unit creation, conversions, quantities & calculations (incl. ~170 predefined units & constants)
¿Do you know how many ohms
and tolerance
have your resistance? With ohm-r you just have to provide the colors and you are done!
Full node with extended capabilities using Bitcore and Res