For Heri...
For beginners, you can use or open a cent account. With the smallest lot size / volume and leverage of 1:500. The smallest lot can be started with a lot of 0.01 with a value of $0.001 - 0.01 or Rp. 10 - 100. Brokers that facilitate cent accounts include instaforex, FBS, Masterforex and Fxopen.
Thanks.