Dukascopy has very useful tool for trading that is called pip value calculator I wrote an article about finding good currency pair with the help of ATR and pip value. you can find the complete article here
priceaction113's Blog
Custom Period Selection in Jforex
you can chart 1 2 34 5 6 7 8 9 10 11 12 or 20 26 45 minutes what every you want you can chart it . jforex provide the very flexible choice of charts period of price and time base.
read the full information at here
45-minute chart
read the full information at here
45-minute chart