as scalper looking for free trading tools { indicator or EA } for calculate lot size automatically

 

hello all friends

me as scalper  looking for free trading tools { indicator or EA } for calculate lot size automatically 

i want put manually SL and when candle close or push a button immdeitally calculate lot size and open trade, at this moment i have a tools that calculate lot size but don't put trade .


i am scalper so this tools will help me for my money management

pleas any one that know help me