Predicting future movements of currency values involves a certain level of expertise in technical analysis. Fundamental analysis provides general ideas on where a currency will go in the long-term but this does not help you when you much when you are into short-term trade. You need detailed real-time data from the market and analyze them accurately enough to allow you to set-up the appropriate trade parameters. Forex calculators and oscillators with their ability to break down movements in minute details and present them in easily understandable charts and graphs provide you fairly what you need for short- term trades and even long term- trades.
There are probably hundreds of these tools for identifying forex trends and short-time currency price movements. They provide data on the opening, high, lows and closing prices of treaties which with the use of formulas jurisdiction calculation of the most likely direction you chosen pair will take. One forex calculator many veteran traders prefer is the pivot point. This method uses the historical fluctuations of the prices of your chosen currency trading pairs from one period to another to detect patterns or forex trends from which you can base your succeeding trades.
Another forex calculator worthy of your attention is the Fibonacci Retracements. Based on the theories of an Italian mathematician named Leonardo Fibonacci, this calculator is particularly helpful in determining where you chosen pair will go at the end of a major forex trend. Like the pivot point, it will give you data relevant to identifying practical trade entries and exports.
Most forex trading platforms provided by forex brokers that are downloadable from the internet have one of two forex calculators built-in into their systems. Some of these platforms can be reconfigured to accommodate the calculators which you like or you wan to get familiar with. Best of all, these platforms have simulated trading which you can use to find out which calculator or calculators works best for developing forex strategies and setting up profitable trades.