FutureFocus

The EA (Expert Advisor) Distance of Bollinger Bands is a trading strategy or algorithm used in financial markets, particularly in Forex trading. Bollinger Bands are a technical analysis tool that consists of a middle band (usually a simple moving average) and two outer bands (standard deviations of the middle band). The EA Distance of Bollinger Bands strategy focuses on measuring the distance between the price and the Bollinger Bands to make trading decisions. Here's how the EA Distance of Bolli

Ilan Spirit Советник  Ilan Spirit -это аналог советника, с добавлением множества дополнительных логик и возможностей для торговли, с оставленными настройками советника . Советник торгует по системе Мартингейл с увеличением последующих лотов в серии ордеров, с целью их усреднения. Первый ордер робот выставляет по сигналам встроенного индикатора. Так же советник имеет возможность прекращать торговлю в зависимости от новостей от сигналов новостного индикатора. Ilan Spirit можно использовать либо на

The robot uses the trading strategy of breaking the lines of the Bollinger Bands indicator. The essence of this strategy lies in the constant analysis of the indicator lines and the search for the most effective breakout points for its lines. When the price breaks through the indicator line in one of the directions, the robot opens a trade in that direction and starts to follow it. But the robot does not open trades every time the indicator lines are broken, but only in those places where it co

Welcome to the Forex Gold Angel EA , which is a highly stable profit-generating EA. It comes highly recommended. The logic behind the EA is simple. It uses the BAND indicator, which triggers a flag when the price deviates from the band. However, it does not enter a trade at this point. Instead, it carefully monitors the price movement. When the price returns to the band and touches the center line, it enters a trade in the direction of the trend. This strategy is simple, but it yields significan

Smart Grid FX – is counter-trend trade multicurrency EA for automated Forex trading. EA uses principle of Martingale. EA work algorithm: At cycle start the pair of opposite order opens with initial lots. Further grid of orders is being built with variable step and lot volume at the price movement direction. Wherein every time at the next order opening the all grid orders close level is being changed with regard to parameters of TakeProfit. The EA does not use such function as locking, trailing,

We present to you a fully automated Expert Advisor designed for trading major currency pairs. The bot uses a set of its own trading algorithms and has protection against crashes. Attention! The bot only works correctly when the spread is less than 6 pips! I ask you to weigh this fact, and if you do not have the appropriate conditions for trading, this bot will not work for you! The robot controls the volume of trading positions, slippage, spread, maintains and protects open orders, can work wit

The Grid EA (with smart mode) is based on a strategy with a dynamic grid channel that can withstand long absence of rollback. The robot can be used for trading any instruments after a proper optimization. With default parameters, it is recommended for: EURUSD, EURJPY, CADJPY, GBPUSD NZDUSD. Monitoring of EA trading:  https://www.mql5.com/ru/signals/538873 Key Features Fully automated trading Customizable deposit protection Forced order closing and planned trade pauses Virtual Take profit and St

Night Rocker GBPUSD EA is a night scalper that has a system for evaluating market volatility and trades during a period when prices are flat. In addition, there is a built-in filter of spread and slippage.   Each open order has a stop loss and take profit. Also, the market volatility assessment system closes orders when market conditions change in a negative direction for the trader.   The Expert Advisor works on GBPUSD. Period M15. Also there are separate versions of the adviser for other curre

The EA of Bollinger Bands are a popular technical analysis tool used by traders and investors to analyze price volatility and potential price reversal points in financial markets, such as stocks, forex, or cryptocurrencies. They consist of three lines: The middle band: This is typically a simple moving average (SMA) of the price over a specific period. The most common period used is 20. The upper band: This is the sum of the middle band and twice the standard deviation of the price over the same

IMA Recover Loss is the expert advisor based on moving average and some technical indicators. This concept uses statistical tools that help in price analysis. By creating a trend line to find trading signals. This expert advisor has developed and improved the moving average to work well with current data and reduce delays. Long and Short Trade Signals: The method for using the Multiple Moving Average indicator is to trade a basic moving average crossover system using all of the MAs. This system

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

This Expert Advisor trades based on trend lines, as well as on the basis of volume analysis. Volumes are calculated using minute bars, in order to determine if they were ascending or descending. The trend lines are drawn based on High and Lows in the trade history. There are also additional indicators. Buy or sell signals depend on all those factors. This allows the EA to enter the market with more accuracy and to perform more deals. Input parameters Lots - lot size (if 0, a lot is calculated b

This is a universal adviser working in several directions. The first and main thing is assistance in various situations that arise during trading. The second is scalping or positional trading according to the trend, open orders, at the same time, insured with support orders using the model of a quantum set of algorithms. Main Advantages Work in several directions; Increase in account balance during drawdown; Maintenance of already open orders; Building a grid lock; Scalping and/or trend trading

Patient Hunter EA GOLD (XAUUSD) Everything is already set up for GOLD H1 timeframe . Strategy is based on breakout of the HIGHEST channel after some period of consolidation. It uses Stop pending orders with  FIXED Stop Loss and Take Profit .  Strategy uses also  PROFIT TRAILING  function to lock as much profit as possible. For every candle the pending orders are modified to adapt the market behavior. You need to set only the lotsize depending on the amount of capital in relation to the expected

The Official Automated Version of the Reliable Indicator PipFinite Breakout EDGE EA Breakout EDGE takes the signal of PipFinite Breakout EDGE indicator and manages the trade for you. Because of numerous financial instruments to consider, many traders want the signals to be fully automated. The EA will make sure all your trades are executed from entry to exit. Saving you time and effort while maximizing your profits. The Edge of Automation Effortless price action trading is now possible acros

The Expert Advisor is designed to work autonomously without human intervention. The strategy is based on short-term forecasting of the nearest price extremes using dynamic calculations. The author's system for monitoring open positions allows you to multiply the positive trading result. Support: https://www.mql5.com/en/channels/TrendHunter To choose the optimal broker, write me a request in private messages, please. The default settings are suitable for trading instruments (5M): EURUSD; GBPU

Introducing the Average Directional Index(ADX) Strategy EA MT4, an innovative automated trading solution specifically designed for MetaTrader 4. This expert advisor utilizes the Average Directional Index to identify trends and manage trades effectively, making it ideal for both novice and experienced traders seeking to enhance their trading performance. With its ability to automate trade entries and exits based on trend strength, the Average Directional Index(ADX) Strategy EA MT4 offers signific

IRobot Alligators is an Expert Advisor based on the chaos theory and the Alligator technical indicator. This expert advisor consists of three lines, overlaid on a price chart, that represent the jaw, the teeth and the lips of the Alligator. It was designed to help confirm that a trend is in effect and in what direction. As with all moving averages, the shortest one (green) moves first, followed by the middle (red) and then longer average (blue). If the three lines are entwined, then the Alligato

The Gold Angel MT4 Expert Advisor is designed for automated gold trading on the MetaTrader 4 platform, providing traders with unique tools and strategies to achieve maximum profit. Using complex algorithms for analyzing market data, this advisor is able to identify profitable entry and exit points, which significantly reduces risks and increases the chances of successful trading. the full list for your convenience is available https://www.mql5.com/ru/users/pants-dmi/seller Gold Angel MT4 offer

Multi-currency expert advisor based on the strategy of breaking through levels and trading on the trend. You can you it for scalp with little take profits. Martingale and averaging are NOT used! Use a demo account to check the expert's performance! It is necessary to conduct tests of each pair before making a decision to use it in the expert! Does not work correctly in the tester! Usd demo acc to test it. Main strategy settings: Easy and Hard . For the Hard method you must use stricter mon

Works to open two hedging deals, buying and selling, with a goal of each deal of 20 points With the opening of multiple cooling deals in the manner of another lot size and suspending each type of sale or purchase transaction At a profit level. Parameters: Lot1: Manual Lot Size Auto_Lot: Set true to automatically calculate optimal Lot Size based on risk preferences, Set False if you want use manual lot size. Max_Risk: Max Risk as percentage of Equity* the greater this percentage is the greater

Aurum Trend Engine — Trend-Following Expert Advisor for XAUUSD H1 Aurum Trend Engine is a fully automated trading robot for XAUUSD (Gold) on the H1 timeframe. The strategy was generated and optimized through Walk-Forward analysis with StrategyQuant X over 11 years of historical data (Jan 2014 - Sep 2025) , then validated against real broker data with realistic spread to confirm it performs outside overfitting conditions. Verified Performance (real broker data, XAUUSD H1, 2014-2025) Tested at TWO

The Expert Advisor finds strong trend movements of a currency pair over the specified number of bars. It also finds correction to this trend (for the same period). When the trend is strong enough, and the correction becomes equal to the values specified in the EA parameters, the Expert Advisor opens the a trade in the trend direction. The advantage of this is that the EA will not buy at the trend maximum or sell at its minimum - trhe EA only trades after correction. However, you can set differen

The trading robot is not limited by settings, but the test version works for several days. It uses mathematical analysis of the market, as well as for filtering It uses data from 2 indicators. It works with all accounts. It is possible to trade with a minimum balance. Stoploss is not used, the robot is initialized averaging algorithm. You can always limit the maximum number of transactions in the settings. Choose a lot size so that on your trading account there was the necessary amount of funds

The EA uses a trending strategy based on numerous technical indicators "Moving Average" on the timeframe: M4, M5, M6, M10, M12, M15, M20, M30, H1. The Expert Advisor uses elements from strategies such as Martingale, Grid and Averaging. In trading, up to 3 orders can be opened simultaneously on each of the currency pairs. The EA uses a partial order closing algorithm and hidden Stop Loss, Take Profit, Break Even and Trailing Stop. A multi-currency adviser trades in 17 currency pairs. EA uses tim

Expert Advisor trading Harmonic Patterns. All trades covered by fixed   Stop Loss &   Take Profit. Minimum trading deposit   150 $ . Expert designer to run on USDJPY 15m . chart. No Grid. No Martingale. Works with high spread This EA operates only once per bar opening.       EA uses several different strategies and enters sometimes both directions. part of the patterns the EA will ignore and not trade. 4 different ATR indicators used as filters. SL & TP calculated by the pattern size, the use

Stepping-GBPUSD - works in fully automatic mode! No settings needed, you can use the default settings. The Expert Advisor works like a scalpel during sharp price movements. The bot was tested on real tick data with a real spread for a 19-year period from 2004 to 2023 (this is how much tick history is available on the servers of Swiss brokers). It also passed the Monte Carlo stability test using 5,000 cycles of simulation of random trade generation, as well as a simulated delay and slippage test

This Expert Advisor is based on Japan Candle Sticks and RSI indicator. Combines with some indicators to get opportunities to entry. * Features - Spreads protection, - Japan  Candle Sticks - DCA until get profit * Setting   - Start Lots Size = 0.01 for 2000$:   - Minimal Lots Size = 0.01 - Maximal spread to entry (PiP) = 2 (in pips) - Stoploss (PiP) = 150 pips - TakeProfit (PiP) = 2 pipss   * Recommendations  - Broker : Tickmill, Darwinex, ... (ECN account with low spreads) - Pairs :  XAUUSD

A Gold Mine is an automated trading EA for MT4 (MT5 compatible), purpose-built and optimized for XAUUSD (Gold). It combines dual core logic of grid trading and trend recognition: capturing swing profits in ranging markets, and mitigating unilateral drawdowns in strong trending conditions. With built-in risk control for extreme volatility and fully customizable parameters, it caters to traders with different risk appetites. Supported Instruments : Primarily optimized for XAUUSD (Gold); compat

DYJ GlobalTradeGameTheory(Power)  is based on   Bulls   and  Bears  indicator. It can be used for any currency pair and timeframe. Power： Market entry condition  Power attempts to gauge bullish and bearish forces in the market by using two separate measures, one for each type of directional pressure. The  EA's BearsIndex  attempts to measure the market's appetite for lower prices The EA's BullsIndex attempts to measure the market's appetite for higher prices It also uses  Laguerre filtering fal

Scalping Robot Pro is a  professional trading system  designed specifically for fast and precise scalping on XAUUSD using the M1 timeframe. The system is built to capture short term market movements with accurate execution and controlled risk management. It focuses on real time price behavior, momentum shifts, short term volatility, and selective grid based trade management techniques to identify high probability  trading opportunities  in the gold market. Scalping Robot Pro is optimized for tra

Vortex - your investment in the future The Vortex Gold EA expert Advisor made specifically for trading gold (XAU/USD) on the Metatrader platform. Built using proprietary indicators and secret author's algorithms, this EA employs a comprehensive trading strategy designed to capture profitable movements in the gold market. Key components of its strategy include classic indicators as CCI and Parabolic Indicator, which work together to accurately signal ideal entry and exit points. At the heart of V

PROP FIRM READY! ( download  SETFILE ) LAUNCH PROMO: Only a few copies left at current price! Final price: 990$ Get 1 EA for free (for 3 trade accounts) -> contact me after purchase Ultimate Combo Deal   ->   click here JOIN PUBLIC GROUP:   Click here Live Signal LATEST MANUAL 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 e

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 high risk :  https://www.mql5.com/en/signals/2242498 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.

Quantum King EA — Intelligent Power, Refined for Every Trader IMPORTANT! After the purchase please send me a private message to receive the installation manual and the setup instructions. Special Launch Price Live Signal:   CLICK HERE MT5 version : CLICK HERE Quantum King channel:   Click Here ***Buy Quantum King MT4 and you could get Quantum StarMan for free !*** Ask in private for more details! Rule   your trading with precision and discipline. Quantum King EA   brings the strengt

BB Return — an Expert Advisor for gold trading (XAUUSD). I previously used this trading idea in manual trading. The core of the strategy is a return of price to the Bollinger Bands range, but not blindly and not on every touch. For the gold market, bands alone are not enough, so the EA uses additional filters that eliminate weak and non-working market situations. Trades are opened only when the return logic is truly justified.   Global   update   on   June   14th   Trading principles — the strat

Real Trading Account  LIVE SIGNAL VT MARKETS:  https://www.mql5.com/en/signals/2363526 Join SmiteFX Algos MQL5 Public Chat :   https://www.mql5.com/en/messages/03e4dab0b20bdd01 Fortune is an automated breakout Expert Advisor for MetaTrader 4 & 5, developed primarily for XAUUSD. The EA identifies potential breakout and breakdown zones based on recent market structure, then manages each trade according to the risk percentage set by the user. Every position is opened with predefined Stop Loss and

The Expert Advisor is a system designed to recover unprofitable positions. The author's algorithm locks a losing position, splits it into many separate parts, and closes each of them separately. Easy setup, delayed launch in case of drawdown, locking, disabling other Expert Advisors, averaging with trend filtering and partial closing of a losing position are built into one tool. It is the use of closing losses in parts that allows you to reduce losses with a lower deposit load, which ensures saf

UPDATE — DECEMBER 2025 At the end of November 2024, the Aurum expert advisor was released for sale. Throughout this time, it traded in real market conditions without a news filter, without additional protective restrictions, and without complex limitations — while confidently remaining profitable and stable. Live Signal (launch April 14, 2026) This full year of real trading clearly demonstrated the reliability of the trading system. Only after that, based on real experience and statistics, a m

FastBull Market Sentiment is a data feed that aggregates thousands of positions totaling over 500 million USD account value. Scalp On Scalp Off is able to instantly retrieve this data via direct API integration and leverage it when making trades. The sentiment is displayed directly on your chart in a customizable, user-friendly panel. Live Signal: CLICK HERE Single shot trades managed without the use of grid or martingale. Adaptive, dynamic trailing stop and take profit. Setup is incredibly eas

Expert Gold Moon Scalper is a fully automated Expert Advisor designed specifically for the Gold market (XAUUSD). The EA combines price action analysis, tick-based market behavior, and technical indicator confirmation to identify high-probability trading opportunities. The strategy uses Stop Orders to capture momentum during Gold's fast price movements, helping reduce premature entries in volatile conditions. Positions are managed with a combination of scalping logic, dynamic trailing, and predef

BUY 1 and GET 1 FREE - Promotion! Buy Forex GOLD Investor with a huge –60% discount and GET 1 FREE EA by your choice! Promo Price: $217 (Regular Price: $547 — You Save $330! ) After purchase contact me to get your GIFT EA! You can also contact me to get the list of available GIFT EAs! Forex GOLD Investor is one of the best expert advisors developed to trade on GOLD(XAUUSD) in the forex market. Forex GOLD Investor consists of 3 trading systems . The first one is based on scalping trading strat

Wall Street Robot is a   professional trading system   developed exclusively for US stock indices, focused on S&P500 and Dow Jones. These markets are known for their high liquidity, structured movements and strong reaction to global economic flows, making them ideal for algorithmic trading strategies based on precision and discipline. By concentrating only on these indices, the system is able to adapt closely to their behavior, volatility patterns and intraday dynamics, instead of trying to oper

TPS (Trend Pullback System) is an MQL5/MQL4 Expert Advisor designed to exploit one of the most consistent behaviors in trend trading: the resumption of a trend after a pullback. Its philosophy is straightforward: don't chase price or try to guess reversals, but wait for an already established trend to offer a quality pullback and trade only when the market confirms it wants to resume its direction. Far from seeking random moves, TPS relies on a widely documented principle —buying weakness within

One Gold - Future of Trading Introducing One Gold EA, a sophisticated trading robot for gold on the Meta Trader platform, developed to assist traders with advanced market analysis. Our proprietary technology leverages neural networks and data-driven algorithms to analyze both historical and real-time gold market data, providing insights that can aid in decision-making. Unlike traditional manual strategies, One Gold EA operates with minimal intervention, streamlining the trading process and aimin

MULTI SNIPER EA is precise automatic trading system with around 90% accuracy for MT4 platform. This profitable scalping EA is really one of the most stable system on the market at the present time. No grid! No martingale! It is original product which is offered only on this MQL5 website. Download EA Set_files for testing and trading: GBPAUD Set_file GBPCAD Set_file - Implemented compound interest method and scalping techniques. - System sets dynamic SL automatically depending on market volati

BUY 1 and GET 1 FREE - Promotion! Buy GOLD Scalper PRO with a huge –60% discount and GET 1 FREE EA by your choice! Promo Price: $177 (Regular Price: $447 — You Save $270!) After purchase contact me to get your GIFT EA! You can also contact me to get the list of available GIFT EAs! Live Results:   https://www.mql5.com/en/signals/2353871 GOLD Scalper PRO is a fully automated trading system which takes much of the work out of trading, leaving you free to do other things! You should not be fooled

"SOLO SNIPER PRO" EA is a powerful scalping trading system for MT4 platform! High Win Rate is around 90%! Compound interest risk management is used! M15 timeframe! It is original product which is offered only on this MQL5 website. Use Set_file for testing and trading:  Download EA set_file - Trades are very accurate: around 90%.  - System is NOT using any dangerous methods like grids or martingale. Each order has own SL for account protection. - Implemented compound interest method for lot c

Last copy at 399$ -> next price 499$ Dark Algo  is a fully automatic Expert Advisor for Scalping Trading on Eurusd and Gbpusd . 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

PRO ADVANCED MULTI SCALPING EA - is fully automatic multi-pair trading system - very safe with steady growth. This profitable scalping EA is really one of the most stable system on the market at the present time - it takes around 60-90 trades per month.  Download EA Set_files for testing and trading: USDCHF Set_file GBPCHF Set_file GBPCAD Set_file GBPAUD Set_file EURCHF Set_file EURCAD Set_file EURAUD Set_file AUDCAD Set_file Features of EA: - Adjustable Volatility-Adaptive Stop Loss. - Fixe

EA Gold Stuff is an Expert Advisor designed specifically for trading gold. The operation is based on opening orders using the Gold Stuff indicator, thus the EA works according to the "Trend Follow" strategy, which means following the trend. Real-time results can be viewed  here . Contact me immediately after the purchase to get personal bonus!  You can get a free copy of our Strong Support and Trend Scanner indicator, please pm. me! Settings  and manual   here  Please note that I do not sell my

BUY 1 and GET 1 FREE - Promotion! Buy Forex Diamond EA with a huge –60% discount and GET 1 FREE EA by your choice! Promo Price: $217 (Regular Price: $547 — You Save $330!) After purchase contact me to get your GIFT EA! You can also contact me to get the list of available GIFT EAs! Live Results:   https://www.mql5.com/en/signals/2379493 Forex Diamond EA – Reliable Automated Trading Powered by Smart Algorithms Forex Diamond EA is a proven expert advisor designed to deliver consistent results us

Alex Expert Advisor is built around the Vertex Indicator, a proprietary tool designed to identify potential trend reversals.  Trading signals are generated when the underlying oscillator reaches overbought or oversold conditions and confirms a crossover or reversal signal. This advanced multi-signal EA integrates trend analysis, momentum evaluation, and precise entry timing into a single, intuitive trading system. By automatically filtering out weaker market conditions and focusing on high-prob

ORIX System — a trading robot developed specifically for the GBPUSD currency pair on the M5 timeframe. The Expert Advisor is based on price behavior analysis and market structure elements and does not use standard technical indicators. The EA does not use martingale, trading grids, averaging against the market, hedging, opening trades without a stop-loss, or high-frequency or chaotic trading. Live signals Main requirements and recommendations Currency pair: GBPUSD Timeframe: M5 Minimum deposit:

Generate controlled returns with an  AI-assisted , risk-diversified and Gold-optimized EA . GoldZILLA AI is a multi-strategy algorithm detecting market regimes to dynamically select from five distinct strategies, optimizing returns while minimizing drawdown on XAUUSD. [ Live Signal ] - [  Dedicated group | Version MT5 - MT4 ] After the purchase, please send me a private message to receive the user manual and the AI setup instructions. Why choose this EA? Dynamic multi-strategy approach Advanced

DAX Robot is an advanced automated trading system developed specifically for the   DAX 40 Index   on the H1 timeframe. Designed to handle the fast paced nature of one of Europe's   most actively traded indices , the robot continuously analyzes market conditions and automatically executes trades based on its built in trading logic. The system focuses on identifying high probability   trading opportunities   by combining trend analysis, market momentum, and volatility based conditions. DAX Robot

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

Expert Advisor  Hamster Gold Trading  is an automatic trading robot programmed with exclusive and unique algorithms. The EA is optimized for the Gold market. EA's strategy applies movement patterns along with price momentum for reliable and accurate signals. Signals are also entered using the smart momentum trap method, where Stop orders are often canceled when momentum is not reached. Trades are closed quickly by Trailing and there is always a Stop Loss to control risk. Bonus: get free 1 EA wh

Javier Gold Scalper: Our Technology by Your Side! Manual and configuration files: contact me after purchase to receive the manual and configuration files Price: The price increases according to the number of licenses sold Available copies: 5 Trading gold, one of the most volatile assets in the financial market, requires high precision, thorough analysis, and extremely effective risk management. The Javier Gold Scalper was developed specifically to integrate these pillars into a robust and sophi

PRO MULTI SNIPER EA is a high quality automatic trading system with around 90% accuracy for MT4 platform. This profitable scalping EA is really one of the most stable system on the market at the present time. M15 timeframe!   No Grid! No Martingale! It is original product which is offered only on this MQL5 website. Download EA Set_files for testing and trading: GBPCAD Set_file GBPAUD Set_file EA unique features: - Machine Learning methods are used. - Implemented compound interest method and