The Genetic AI

THE BEST US500 ROBOT IN HISTORY Maximun alpha trader is based on moving averages and a proprietary highly advanced slope reversal prediction algorithm that is simple and reliable. The Maximun alpha trader EA strategy is a combination of several indicators trends plus its own indicator that detects the exhaustion of the trend which makes it unique in its class, this indicator is unique and secret has not yet been released in the market. TO TEST THE DEMO COPY THE CONFIGURATION THAT IS PASTE IN TH

Launch promo! Only a few copies left at current price! Next price: 593$ Final price: 1993$ Live signal:  https://www.mql5.com/en/signals/2220893?source=Site+Profile+Seller MT5:  https://www.mql5.com/en/market/product/107337?source=Site+Profile+Seller More analytics:  https://www.mql5.com/en/blogs/post/756452 For more top Expert Advisors and Indicators, visit:   https://www.mql5.com/en/users/lothimailoan/seller I am Los, please subscribe to receive more updates:   https://www.mql5.com/en/users

I am the owner of EA  Matoa [MT4] . This is the MT4 version,   if you are interested in copying the MT4 version, please copy it in this account  https://www.mql5.com/en/signals/2100341 EA  Matoa [MT4]  is a full automatic trading system base on martingale on pair EURUSD only. Minimum balance to trade with this EA  is:  1. Leverage 1:500 minimum $2000 2. Leverage 1:200 minimum $5000 3. Leverage 1:100 minimum $10000 The strategy is: #1 - Place an order according to the direction of the market

A trend based expert This expert predicts the future by using trend patterns and trend indicators and short-term and long-term calculations. Trends change quickly in lower time frames, so this expert is suitable for M30 and above. In this expert, we tried to use currency pairs that are aligned with our strategy. Best currency pair: Euro Dollar In this expert, dozens of different indicators and dozens of different strategies (the main ones are trend-based strategies) are used. Attributes

NeveScalping is a Scalping Trading and Intraday Trading. NeverScalping uses predictions and predictions using artificial intelligence algorithms. In this way, the professional higher law has lost its luck. EURUSD does a practical, historically important job. Download the demo yourself. My tests were 90 days of accuracy, actual spread, extra slip and high visibility date of actual ticks. The recommendations are as follows optimized   for the   EUR / USD's D1 chart.   There are no other com

The Expert Advisor strategy is based on the intersection of moving averages. Buy - the fast МА (Moving Average) crosses the slow MA upwards, sell - fast МА crosses the slow MA downwards. It uses an adaptive grid and averaging with a time delay. Adapted for 4 and 5-digit quotes. Working timeframe is H1. Recommended initial deposit is at least 1000 units of the base currency. Parameters MaFast_period , MaSlow_period – periods of the fast and slow moving averages; MaFast_method , MaSlow_method –

A professional grid advisor works according to RSI (   Relative Strength Index   ) indicators.       and   has the function of reducing the drawdown on the account by overlapping unprofitable orders.       The chart displays information about the profit. MT5 version https://www.mql5.com/ru/market/product/56995 OPTIONS: RSI_PERIOD - period for calculating the relative strength index; UP_LEVEL - upper bound; DN_LEVEL - lower bound; RSI_TIMEFRAME - timeframe for calculation; START_LOT - initial l

PoundYen Trend Follower PoundYen Trend Follower  is a fully automated expert Advisor that trades on trend rollbacks. In its analysis, the expert Advisor uses certain formations of price behavior and indicator values on different time ranges. Upon reaching certain conditions for the opening and closing of positions the EA trails the trade entry and exit. The expert Advisor automatically calculates the volume of the transaction to enter depending on the free Deposit funds, but it is also possibl

Marsi Expert is an effective advisor especially at low spread rates. Tested and designed on M5 & H1 chart in EURUSD. There is no input option other than lot selection and Magic number selection. The other settings will be adjusted according to the time period of the chart you will put on the Expert. Advanced versions will be updated with renewed sales price. * Must be tested on demo accounts before using in real account, due to your broker behavior.  

I am the owner of EA KingKong. This is the MT4 version, if you are interested in copying the MT4 version, please copy it in this account   https://www.mql5.com/en/signals/2114953 EA KingKong is a full automatic trading system base on martingale on pair EURUSD only. Minimum balance to trade with this EA  is:  1. Leverage 1:500 minimum $3000 2. Leverage 1:200 minimum $7500 3. Leverage 1:100 minimum $10000 The strategy is: #1 - Place an order according to the direction of the market trend. #2 -

This Robot allows the execution of orders following the trend, whether it is bullish or bearish, it has been tested in the EUR/USD pair in a time range of 8 years from from  2015 to 2022   with a few more than  1000% profit results, it has excellent capital management since it will depend on the The amount entered will also calculate the lottery to reduce the risk of loss. The robot calculates the lottery from 100 dollars but it is recommended in accounts with a minimum of 1000 dollars The ro

The Flex Grid EA is a fully automated Expert Advisor that trades based on RSI. The EA trades using market orders with inivisible take profit and uses averaging to safely turn otherwise negative trades positive. This EA works best on EURUSD, USDJPY, EURUSD, USDCAD & GBPUSD using the M5 timeframe. A VPS is advisable when trading this system. Check the comments for back test results and optimized settings. Please note: I have made the decision to give this EA away and many more for free with limite

Sophisticated   cutting edge algorithms are the heart of this professional fully automated trading system. Unique ability to identify key supply and demand areas using our in-house sophisticated "Time Strength" algorithm that calculates how strong supply and demand areas are as they move into the past. The areas with the highest likelihood for profitable scalping are identified and traded. Coded by professionals with over 12 years trading and system development for professional traders and hedge

This EA uses a 4EMA trend and retest strategy. The SL level is determined by recent highs or lows. The TP targets are then calculated using a fixed RR from the inputs. The HedgingMode uses an equation to modify your risk inorder to exit a losing streak with an RR specified on Bail. It's a type of Martingale but more adaptable because the factors change based on RR and Bail. The mode can be turned on or off. When you purchase or download the demo please contact me so that I explain the inputs fur

LAUNCH PROMO Next price:        $349 The price will be rise to limit the number of users for this strategy The "Volna FX" Expert Advisor is a representative of robots trading from levels. Levels can be built automatically, or they can be rigidly set in the parameters of the Expert Advisor. CHECK REAL SIGNAL :  https://www.mql5.com/en/signals/847709 The uniqueness of the advisor is that it can work both with averaging and using the martingale principle, or without it, i.e. use a clear take profi

The scientific approach to trading and responsible development are the main principles of  Millennium  EA. In order to create this EA, a research work was done in the field of trading. Dow theory, the theory of fractal analysis, the methods of Bill Williams and other traders, all this served as the theoretical basis for the advisor, which is designed to automate trading decisions. Signals: https://www.mql5.com/en/signals/1748354 https://www.mql5.com/en/signals/1748359 https://www.mql5.com/en/sig

Follow the MACD Follow the MACD EA works based on MACD indicator and two MAs + Parabolic SAR indicator Our Expert Advisor follows the trend and closes positions when there is a hint of its reversal. He does not wait for a complete change in the situation and positions are closed at the maximum plus. Attenti

KT MACD Divergence Seeker trades the regular and hidden divergence signals generated by our free indicator named KT MACD Divergence indicator. Trading the standalone divergences can be a risky affair that's why the KT MACD Divergence Seeker combines the standard divergence signals with an advanced analysis module to exploit the price inefficiencies on some FX pairs. What is the Divergence exactly? As a general conception if the price is making higher highs, then macd should also be making

The strategy is based on the MACD and Moving Average indicators. It buys when the fast MA is above the slow MA and the MACD histogram is above the signal line. It sells when the fast MA is below the slow MA and the MACD histogram is below the signal line. Designed for 4 and 5-digit quotes, use it on a VPS hosting. Launching the EA It is recommended to launch the EA on several adjacent currency pairs with the same magical numbers. For example: GBP USD , EUR USD , AUD USD , NZD USD ; or USD CAD, U

Definition Pompalamasyon is a fully automated trend trader that performs best on  1 Hour   EURUSD  Chart. This EA uses  Simple Moving Average Indicator ,  Stochastic   Oscilator, RSI and  Ichımoku to define the trade direction and sends an order. While sending an order the EA sets the take profit and stop loss points. Pompalamasyon is not a scalper. There are no risky hedging or martingale strategies used. Recommendations EA Settings : Use default settings. Symbol : EURUSD. Time Frame :H1. Broke

Unlock profitable XAUUSD trading with the Gold Scalper Ultimate EA. This expert advisor for Metatrader 4 uses a ‘Trend Follow’ strategy based on pure price action and Gold-specific trends. Discover its potential today!” advantages   of the   Gold Scalper Ultimate EA   in the forex market: Automated Scalping Strategy : The Gold Scalper Ultimate EA is designed to fully automate trading of   XAUUSD (Gold)   on the   5-minute chart . It follows a   scalping strategy , which involves making multiple

Forest is a Trend Expert Advisor based on the analysis of a unique mathematical model of trend lines, which allows you to determine the trend movement. The Expert Advisor is most suitable for the currency pair "USDCHF" on period "H1". The EA can work on any type of accounts, and with any brokers. The EA uses mathematical analysis to open trades and applies loss control to open trades. At its core, the EA does not use any risky systems with the increase in the volume or increase in the number of

Reactor MT4 is a fully automatic Expert Advisor for   Intraday   Trading.  it is   based on  m any indicators . The Expert was tested on the whole available historical period on   EURUSD, GBPUSD, USDCAD, AUDUSD and USDJPY M15  currency pair with exceptional results. You can download the demo and test it yourself. My tests were performed with the real tick date with   99,90% accuracy , actual spread, and additional slippage. The basic strategy starts with Market order in counter trend and tren

"Transform your investment strategy with the Zielspierre EA, an expert advisor designed to help you achieve consistent profits through its unique combination of advanced trading strategies. With support for all currency pairs and cryptocurrencies, and the ability to adjust settings to suit your risk tolerance, the Zielspierre EA is the ultimate solution for your daily trading needs." The Zielspierre EA is a upgraded version of Vondereich EA is a cutting-edge expert advisor that provides daily

This Expert Advisor is based on Trend Following Systems . The mechanism (stop-and-reverse) technical indicator. Based on a price and time trading system, the indicator is used for analyzing market trends. The indicator trails price as the trend extends over time. It is similar to the Moving Average, as the only difference is that the indicator moves with higher acceleration and may change its position in terms of the price. In general, the indicator moves below the prices as they go up (bull mar

MACD Trend strategy is MACD and strategy of trading skills combine a stable profit based strategy, which is based on the MACD MACD (or admission at the same time, Sicha) according to the market trend to control the position, the risk control in the lowest level, the strategy is applicable to the strong liquidity of currency, precious metals and other major currencies recommended to the following is the basic framework, strategy (with only part of the transaction logic), specific to the program d

An easy-to-use advisor, but with a complex internal algorithm for making trading decisions and subsequent support of open positions. The advisor is not demanding on equipment and network connection speed. It can also work perfectly on a wireless Internet connection. The trading algorithm looks for the best entries to open market positions, but there is no such thing as 100% constant luck in this world. Therefore, the trading volume is not used all at once, but is divided into parts to imp

Автоматический советник Unusual EA не предназначен для получения сверх прибыли. Больше подойдет долгосрочным инвесторам, для которых трейдинг не игра, а работа. Советник Unusual EA, также можно использовать в портфеле, совместно с другими советниками. Размер прибыли и просадки зависит от выбранной валютной пары и таймфрейма.Наиболее эффективен на периодах M30,H1 и H4, хотя может использоваться на любых таймфреймах и торговых инструментах. Параметры советника: MagicNumber- метка "своих" с

MOVING AVERAGE CROSSOVERS is an Expert Advisor for trading at the crossovers of moving averages. The parameters have intuitive names and each #MOVING AVERAGE is individually configurable. This strategy is very old and easy to use, at the same time very popular in the FOREX market. It gives very good results when the market is trending, during big ups and downs. The most volatile pairs are suitable for work: GBPUSD, USDCAD, EURUSD, USDJPY, USDCHF, AUDUSD, NZDUSD. Has functions that take trading

Suitable for EURUSD: Timeframe: 30 min. Optimization should be adjusted according to the properties of the broker you are using and your trading institution. Default settings are optimized for EURUSD in an ECN broker for M30 time frame . (Remember, it is necessary to re-optimize your brokers for the settings.) Backtested and forward tested from 2019 till 2023-July with 100% accuracy + Variated Spread. No dangerous methods of money management used, no martingale, no grid . Optimized with i

PROP FIRM READY! ( download  SETFILE ) LAUNCH PROMO: Only a few copies left at current price! Final price: 990$ Get 1 EA for free (for 2 trade accounts) -> contact me after purchase Ultimate Combo Deal   ->   click here JOIN PUBLIC GROUP:   Click here Live Signal Welcome to the Gold Reaper! Build on the very succesfull Goldtrade Pro, this EA has been designed to run on multiple timeframes at the same time, and has the option to set the trade frequency from very conservative to extreme volatil

Introducing the FT Gold Robot MT4, your ultimate companion in navigating the intricate world of XAUUSD trading. Developed with precision and powered by cutting-edge algorithms, FT Gold is a forex robot meticulously crafted to optimize your trading performance with   XAUUSD pairs . With its advanced analytical capabilities,   FT Gold Robot   constantly monitors the gold market, identifying key trends, patterns, and price movements with lightning speed. The FT Gold Robot opens 5 positions every da

LAUNCH PROMO: Only a few copies left at current price! Final price: 990$ Get 1 EA for free (for 2 trade accounts) -> contact me after purchase Ultimate Combo Deal -> click here New live signal:   https://www.mql5.com/en/signals/2084890 Live Signal Set Prop Firm Set JOIN PUBLIC GROUP:   Click here Parameter overview Gold Trade Pro joins the club of Gold trading EA's, but with one big difference: this is a real trading strategy. What do I mean with "real trading strategy"?  As you probably

Introducing   Quantum Emperor EA , the groundbreaking MQL5 expert advisor that's transforming the way you trade the prestigious GBPUSD pair! Developed by a team of experienced traders with trading experience of over 13 years. IMPORTANT! After the purchase please send me a private message to receive the installation manual and the setup instructions. ***Buy Quantum Emperor EA and you could get Quantum StarMan, Quantum Trade EA or Quantum Gold Emperor for free !*** Ask in private for more det

Buy not a backtest, but a real trading system:     Live Signal 1     Live Signal 2       Live Signal 3   This price is temporary for the duration of the promotion and will be raised shortly Get 1 EA for free -> contact me after purchase There are only a few copies left at the current price, the next price is -->> 1480 $ Welcome to the GoldPulse AI Hey, I'm GoldPulse AI! This is the first smartest robot that trades gold or XAU with full pairs like XAUUSD, XAUEUR, XAUGBP, XAUAUD, XAUJPY, X

Hello, my name is Alexander. I would like to introduce you to my new development, the Hercules AI advisor. The advisor is synthesis of Price Action Method and Artificial Intelligence technologies.  It doesn't use  any indicators. The EA works well on Gold  pair. The advisor has shown stable performance for more than 10 years. It does not use dangerous trading methods such as martingale, etc. All transactions are protected by take profit and stop loss. I tried to make the advisor as easy to insta

Introducing our MT5 EA: Designed with advanced algorithms and utilizing deep learning technology, our Expert Advisor (EA) is crafted to assist you in the intricate world of forex trading. The system analyzes market behaviors and conducts transactions based on specific criteria, empowering you to engage with market trends more effectively. With the backing of nearly a decade of data, the EA employs deep learning to examine past market conditions, aiming to provide enhanced decision-making. Recom

AI Gen XII EA This is an Expert Advisor with the latest use of Artificial Intelligence and Neural Networks. The EA runs on the top-of-the-line GPT-4o platform and also uses Advanced Discrete Fourier Imaging in ATFNet aligns the frequency spectrum of the input series, allowing for a more complete analysis of time series data. The EA also boasts trading on different strategies simultaneously and matching backtest trades and real trading, which is very important in its time.  Details about Advisor

Launch Promo: Limited number of copies available at current price Final price: 990$ NEW: get 1 EA for free! (for 2 trade accounts) Ultimate Combo Deal   ->   click here LIVE RESULTS:   https://www.mql5.com/en/signals/1949810 JOIN PUBLIC GROUP:   Click here Set Files Welcome to DayTrade Pro Algo!  After years of studying the markets and programming different strategies, I have found an algorithm that has everything a good trading system needs: It is broker independent It is spread independ

Strategy Introduction The EA will find the best entry and exit points based on the data trained by the neural network and the current market trend. It includes multiple loss exit strategies to ensure capital safety. Because the market is full of uncertainties, it is impossible to enter at the most ideal point every time. Our EA uses a unique batch entry method, adding up to 5 entry points. Even occasional misjudgments can quickly recover subsequently. Each order has a fixed stop loss (SL) and t

The Bitcoin Robot  MT4 is engineered to execute Bitcoin trades with unparalleled   efficiency and precision . Developed by a team of experienced traders and developers, our   Bitcoin Robot   employs a sophisticated algorithmic approach (price action, trend as well as two personalized indicators) to analyze market and execute trades swiftly with   M5 timeframe , ensuring that you never miss out on lucrative opportunities.   No grid, no martingale, no hedging,   EA only open one position at the sa

Aura White Edition   is unique Expert Advisor that continues the Aura series of advisors. The Expert Advisor is based on the engine of   Aura Black Expert Advisor , but with a number of changes and author's settings for currency pairs. Innovative methods of the programme's approach to trading, and promising performance results are possible thanks to the use of modern technologies and methods. Aura White Edition is a fully automated EA designed to trade currencies only. Working pairs EURUSD, GBPU

NEW PROMO: Only a few copies copies available at 349$ Next price: 449$ Make sure to check out our " Ultimate EA combo package " in our   promo blog ! LIVE SIGNAL Bitcoin Scalp Pro is a unique trading system on the market.  It is fully focused on exploiting the volatility of the Bitcoin market by trading the breakouts of support and resistance levels. The focus of the EA lies on safety, which translates into extreme low drawdowns and a very good risk/reward ratio on the trades. The EA uses a "

Several experts in one expert With this expert, you can use several up-to-date strategies Enhanced with artificial intelligence Can be used in several popular forex currencies Can be used in the most popular forex time frames Without using high-risk strategies Attributes : Can be used in the EURUSD , GBPUSD , USDCHF , AUDUSD , USDCAD , NZDUSD  currency pairs Can be used in M30 , H1 , H4 , D1 time frames Has profit limit and loss limit Without using risky strategies like martingale or hedg

Launch promo: SALE 30% OFF! Only 2 sales left to buy at the current price. Next price: $993 Free  get US30 Scalper EA and Quantum Algo EA -> contact me after purchase Live signal:  https://www.mql5.com/en/signals/2220190?source=Site+Profile+Seller Prop Signal:  https://www.mql5.com/en/signals/2223219?source=Site+Signals+Profile+From+Author MT5:  https://www.mql5.com/en/market/product/116010?source=Site+Market+Product+Page Passed Prop Challenge Trade History:  https://www.mql5.com/en/blogs/pos

Last copy at 399$ -> next price 499$ Dark Algo  is a fully automatic Expert Advisor for Scalping Trading on Eurusd . This Expert Advisor is based on the latest generation of algorithm and is highly customizable to suit your trading needs.  If you   Buy this Expert   Advisor you can   write a feedback   at market and   get   a second EA for   Free , for More info contact me The basic strategy of this EA is built on a sophisticated algorithm  that allows it to identify and follow market trends .

Have you ever wondered why most expert advisors are not effective in live trading, despite their perfect backtest performance? The most likely answer is Over-fitting . Many EAs are created to ‘learn’ and adapt perfectly to the available historical data, but they fail to predict the future due to a lack of generalizability in the constructed model. Some developers simply don't know about the existence of over-fitting, or they know but don't have a way to prevent it. Others exploit it as a tool to

Welcome to the world of next-generation investments with our unique trading robot for gold on the MetaTrader platform! Our proprietary developments represent the pinnacle of advanced data analysis computational platforms in the world of trading. One Gold EA is a genuine smart algorithm, operating at a level beyond human traders' reach. Its unique method is based on the principles of a neuroscanner and advanced technologies in neural networks, EA is capable of analyzing historical and current dat

Statistics on a real account since 2020 Backtest for the last 13 years Low drawdown strategy Multi-currency algorithm Compatible with any broker Proven drawdown control system Trading on a real account since 2020 : Click Here Trading on USDCAD, EURGBP, GBPUSD, EURUSD: Click Here Trading on EURGBP: Click Here Trading on GBPUSD: Click Here Full backtests of the FXMachine EA are available for download here: Click Here About us: The development and support of FXMachine and our oth

TopBottomEA's advantage: the first support for small capital work EA, real trading for more than 4 years; this EA based on volatility adaptive mechanism, only one single at a time, each single with a stop-loss, an average of about 4 orders per day, holding a single length of 12 hours or so, with a limit of $ 20 principal challenge backtesting ran through more than 10 years. Every interval of three days to increase the price of $ 100, the price process: 998 --> 1098 --> 1198...... Up to the targ

Oracle Trading Expert the Quintessence of Modern Programming Technologies Expert Oracle for MetaTrader, trading on GBPUSD and Gold, represents the quintessence of modern programming technologies. Our unique proprietary methods and developments are based on advanced machine learning concepts, making our trading expert truly one-of-a-kind. We offer cutting-edge modules and neural architecture that embody innovative advancements in financial programming. Our algorithms rely on in-depth data analysi

Aura Black Edition is a fully automated EA designed to trade GOLD only. Expert showed stable results on XAUUSD in 2011-2020 period. No dangerous methods of money management used, no martingale, no grid or scalp. Suitable for any broker conditions. EA trained with a multilayer perceptron Neural Network (MLP) is a class of feedforward artificial neural network (ANN). The term MLP is used ambiguously, sometimes loosely to any feedforward ANN, sometimes strictly to refer to networks composed of mult

EA has high-performance live track records of different set files: XAU Risky Vol XAU Balanced Vol XAU Balanced MT5 version can be found here Golden Pickaxe is a mean-reversion grid trading system that uses machine learning technology to place high-profit potential trades on the Gold market. It uses real market inefficiencies to its advantage to have an edge over the market. The EA has 5 predefined set files, which are essentially 5 different trading systems on gold . You may choose the def

1.Automated trading advisor 2. The best results on the EURUSD pair, but you can also adjust the settings for any other instruments, 3.Use a timeframe from m1 to m15. 4. The Expert Advisor trades using the averaging method, smoothly and safely increasing the volume! 5. To direct the trade, the EA uses candlestick analysis. 6. The safest option, use 0.01 lots for every $1500-2000 7. To reduce risks, I advise you to change the step after 4 trades by 300 pips and after 6 trades by 500 pips 8.Co

The XG Gold Robot MT4 is specially designed for Gold. We decided to include this EA in our offering after   extensive testing . XG Gold Robot and works perfectly with the   XAUUSD, GOLD, XAUEUR   pairs. XG Gold Robot has been created for all traders who like to   Trade in Gold   and includes additional a function that displays   weekly Gold levels   with the minimum and maximum displayed in the panel as well as on the chart, which will help you in manual trading. It’s a strategy based on  Price

Fully Automated EA based on Supply and Demand Principles. The first Supply and Demand EA that is offering Complete Automation . Now trading Becomes Effortless, offering full control over your trading strategy through a User-Friendly graphical Trading Panel. You get a Super High Quality Algorithmic Trading Software that contains more than 15,000 lines of code. Supply Demand EA ProBot Manual      ||     How To Use Trading Panel The best way to trade "Prop Firms Challenges" and Pass all the S

Launch promo: Only 1 copies available at 399$ Final price: 2000$ There will be only a limited number of copies sold of this EA Luna AI is a very advanced night scalper and one of the best you can find on the market.  It was developed using years of experience in live trading with the mean-reverse strategy, and selected only the best pairs and techniques to be included in this EA. Since the EA is build upon existing technology that was developed over the years, the EA is very effective and has

Bitcoin Wizard is designed for trading Bitcoin by placing pending orders based on high low at certain periods by taking advantage of strong momentum.   Why Bitcoin Wizard : Bitcoin Wizard is a fully automatic trade system, trade 24/7. Does not use any risky strategies such as hedging, martingale, grid or multiple orders. Every trade is protected by a stoploss of 100 pips. Real Signal | Real Signal 2 | Setfile :  Download here  | MT5 version | Backtest Report   |   Broker Spread Comparison SET U

The Pearson Trend!! My name is Murat Yazici. I have B.Sc. Statistics and M.Sc. Quantitative Methods degrees. I have several scientific papers, conference presentations in Texas, Toronto, London, Istanbul, books and book chapters studies, and many projects about mathematical and statistical modelling. I am also journal reviewer at some scientific journals. What is The Pearson Trend's Logic? It is based on   A Fuzzy Model  developed by me.  Vague or fuzzy data and application several fields,