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Explore our articles on operations research, optimization techniques, and business analytics

Featured Articles

Operations ResearchFeatured

Understanding Linear Programming: A Complete Guide

Learn the fundamentals of linear programming, from basic concepts to advanced optimization techniques used in business and operations research.

Jan 15, 2024
8 min
Linear ProgrammingFeatured

The Simplex Method: Step-by-Step Explanation

Dive deep into the simplex method algorithm, understand how it works, and learn to apply it to solve linear programming problems efficiently.

Jan 20, 2024
12 min
Business AnalyticsFeatured

Economic Order Quantity (EOQ): Optimizing Inventory Costs

Learn how the EOQ model helps businesses minimize total inventory costs by finding the optimal order quantity that balances ordering and holding costs.

Feb 18, 2024
11 min
Business AnalyticsFeatured

Financial Ratios: A Comprehensive Guide to Business Analysis

Discover how financial ratios help analyze a company's performance, liquidity, profitability, and efficiency to make informed business decisions.

Feb 25, 2024
14 min
Project ManagementFeatured

PERT and CPM: Project Scheduling and Management

Learn how Program Evaluation and Review Technique (PERT) and Critical Path Method (CPM) help manage complex projects, identify critical activities, and optimize project timelines.

Mar 12, 2024
13 min
Business AnalyticsFeatured

Portfolio Optimization: Balancing Risk and Return

Explore modern portfolio theory, learn how to optimize investment portfolios, and understand the relationship between risk and return in financial decision-making.

Mar 20, 2024
15 min
Operations ResearchFeatured

Integer Programming: Discrete Optimization Solutions

Explore integer programming, a powerful optimization technique for problems requiring discrete decisions, from facility location to production planning with binary and integer variables.

Apr 20, 2024
14 min
StatisticsFeatured

How to Calculate Standard Deviation (Step-by-Step with Examples)

A clear, worked guide to calculating standard deviation by hand — including the difference between sample and population standard deviation, variance, and when to use each.

Feb 1, 2025
7 min
StatisticsFeatured

Linear Regression Explained: Line of Best Fit, r, and R²

Learn how to find the least-squares regression line by hand, interpret the correlation coefficient (r) and R², and make predictions — with a fully worked example.

Feb 5, 2025
8 min
Operations ResearchFeatured

The Simplex Method: A Step-by-Step Worked Example

Learn how the Simplex method solves linear programming problems, with a complete worked example showing slack variables, the tableau, pivoting, and reading the optimal solution.

Feb 14, 2025
9 min
Operations ResearchFeatured

LP Toolkit: Simplex, Graphical, Integer, and Duality

How Solver360’s linear programming tools fit together — when to use Simplex vs graphical method, when integers matter, and how dual variables become shadow prices.

Aug 15, 2026
8 min
FinanceFeatured

NPV vs IRR: How to Evaluate an Investment (Worked Example)

Understand Net Present Value and Internal Rate of Return, how they differ, when they disagree, and how to use both to make capital-budgeting decisions.

Mar 10, 2025
8 min

All Articles

Operations Research

Understanding Linear Programming: A Complete Guide

Learn the fundamentals of linear programming, from basic concepts to advanced optimization techniques used in business and operations research.

Jan 15, 2024
8 min
Linear ProgrammingOptimizationBusiness Analytics
Linear Programming

The Simplex Method: Step-by-Step Explanation

Dive deep into the simplex method algorithm, understand how it works, and learn to apply it to solve linear programming problems efficiently.

Jan 20, 2024
12 min
Simplex MethodAlgorithmOptimization
Network Optimization

Transportation Problem: Optimization in Logistics

Explore how the transportation problem helps minimize shipping costs while meeting supply and demand requirements in logistics and distribution networks.

Feb 1, 2024
10 min
TransportationLogisticsNetwork
Linear Programming

Assignment Problem: Optimal Job Matching

Master the assignment problem to efficiently allocate tasks to workers, minimize costs, and optimize resource utilization in business operations.

Feb 10, 2024
9 min
Assignment ProblemOptimizationResource Allocation
Business Analytics

Economic Order Quantity (EOQ): Optimizing Inventory Costs

Learn how the EOQ model helps businesses minimize total inventory costs by finding the optimal order quantity that balances ordering and holding costs.

Feb 18, 2024
11 min
EOQInventory ManagementCost Optimization
Business Analytics

Financial Ratios: A Comprehensive Guide to Business Analysis

Discover how financial ratios help analyze a company's performance, liquidity, profitability, and efficiency to make informed business decisions.

Feb 25, 2024
14 min
Financial AnalysisRatio AnalysisBusiness Metrics
Business Analytics

Compound Interest: The Power of Exponential Growth

Understand how compound interest works, why it's called the eighth wonder of the world, and how to leverage it for wealth building and financial planning.

Mar 5, 2024
10 min
Compound InterestFinanceInvestment
Project Management

PERT and CPM: Project Scheduling and Management

Learn how Program Evaluation and Review Technique (PERT) and Critical Path Method (CPM) help manage complex projects, identify critical activities, and optimize project timelines.

Mar 12, 2024
13 min
PERTCPMProject Management
Business Analytics

Portfolio Optimization: Balancing Risk and Return

Explore modern portfolio theory, learn how to optimize investment portfolios, and understand the relationship between risk and return in financial decision-making.

Mar 20, 2024
15 min
Portfolio OptimizationFinanceRisk Management
Business Analytics

Breakeven Analysis: Understanding Cost-Volume-Profit Relationships

Master breakeven analysis to determine sales volumes needed to cover costs, understand profitability thresholds, and make informed pricing and production decisions.

Mar 28, 2024
9 min
Breakeven AnalysisCost AccountingBusiness Planning
Operations Research

Queue Theory: Managing Waiting Lines and Service Systems

Discover how queue theory helps optimize service systems, reduce waiting times, and improve customer satisfaction in various industries from healthcare to telecommunications.

Apr 5, 2024
12 min
Queue TheoryOperations ResearchService Systems
Network Optimization

Shortest Path Problem: Route Optimization in Networks

Learn how shortest path algorithms find optimal routes in networks, from GPS navigation to network routing, and discover applications in logistics and operations.

Apr 12, 2024
11 min
Shortest PathGraph TheoryNetwork Optimization
Operations Research

Integer Programming: Discrete Optimization Solutions

Explore integer programming, a powerful optimization technique for problems requiring discrete decisions, from facility location to production planning with binary and integer variables.

Apr 20, 2024
14 min
Integer ProgrammingOptimizationDiscrete Optimization
Statistics

How to Calculate Standard Deviation (Step-by-Step with Examples)

A clear, worked guide to calculating standard deviation by hand — including the difference between sample and population standard deviation, variance, and when to use each.

Feb 1, 2025
7 min
Standard DeviationStatisticsVariance
Statistics

Linear Regression Explained: Line of Best Fit, r, and R²

Learn how to find the least-squares regression line by hand, interpret the correlation coefficient (r) and R², and make predictions — with a fully worked example.

Feb 5, 2025
8 min
Linear RegressionCorrelationStatistics
Statistics

How to Calculate a Z-Score and Find Probabilities

Understand what a z-score is, how to calculate it, and how to convert it into a probability or percentile using the normal distribution — with worked examples.

Feb 10, 2025
6 min
Z-ScoreNormal DistributionProbability
Operations Research

The Simplex Method: A Step-by-Step Worked Example

Learn how the Simplex method solves linear programming problems, with a complete worked example showing slack variables, the tableau, pivoting, and reading the optimal solution.

Feb 14, 2025
9 min
Simplex MethodLinear ProgrammingOptimization
Operations Research

Transportation Problem: North-West Corner and MODI Method Explained

A step-by-step guide to solving the transportation problem — building an initial feasible solution with the North-West Corner method and optimizing it with MODI.

Feb 18, 2025
9 min
Transportation ProblemMODI MethodNetwork Optimization
Business Analytics

Economic Order Quantity (EOQ): Formula, Example, and Reorder Point

Learn the EOQ formula, work through a complete inventory example, and see how to calculate the reorder point to minimize total inventory cost.

Feb 22, 2025
7 min
EOQInventory ManagementSupply Chain
Project Management

PERT and CPM: How to Find the Critical Path (Worked Example)

Understand PERT and CPM project scheduling: compute expected activity times, run the forward and backward pass, find slack, and identify the critical path.

Feb 26, 2025
8 min
PERTCPMCritical Path
Operations Research

LP Toolkit: Simplex, Graphical, Integer, and Duality

How Solver360’s linear programming tools fit together — when to use Simplex vs graphical method, when integers matter, and how dual variables become shadow prices.

Aug 15, 2026
8 min
Linear ProgrammingSimplexDuality
Operations Research

The Assignment Problem: Hungarian Method Step by Step

Learn how the Hungarian algorithm finds the minimum-cost one-to-one assignment of workers to jobs, with a fully worked example including row/column reduction and line covering.

Mar 2, 2025
8 min
Assignment ProblemHungarian MethodOptimization
Operations Research

Queuing Theory: The M/M/1 Model Explained with Examples

Understand the M/M/1 single-server queue: arrival and service rates, utilization, and how to calculate the average number and time in the system and queue.

Mar 6, 2025
8 min
Queuing TheoryM/M/1Little's Law
Finance

NPV vs IRR: How to Evaluate an Investment (Worked Example)

Understand Net Present Value and Internal Rate of Return, how they differ, when they disagree, and how to use both to make capital-budgeting decisions.

Mar 10, 2025
8 min
NPVIRRCapital Budgeting
Business Analytics

Break-Even Analysis: Formula, Example, and Target Profit

Learn how to calculate the break-even point in units and revenue, understand the contribution margin, and find the sales needed to hit a target profit.

Mar 14, 2025
7 min
Break-Even AnalysisContribution MarginCost-Volume-Profit
Operations Research

Game Theory Basics: Saddle Points and Mixed Strategies

Learn how to solve two-person zero-sum games — finding a pure-strategy saddle point and computing optimal mixed strategies and the value of the game.

Mar 18, 2025
8 min
Game TheoryZero-Sum GamesMixed Strategy
Operations Research

Decision Analysis: EMV, EVPI, and Decision Criteria Explained

Learn to make decisions under risk and uncertainty using Expected Monetary Value, EVPI, and the Maximax, Maximin, Hurwicz, Laplace, and Minimax Regret criteria.

Mar 22, 2025
8 min
Decision AnalysisEMVEVPI
Business Analytics

Forecasting Methods: Moving Average vs Exponential Smoothing

Compare the main time-series forecasting methods — moving average, weighted moving average, exponential smoothing, and linear trend — and learn to measure accuracy with MAD, MSE, and MAPE.

Mar 26, 2025
8 min
ForecastingMoving AverageExponential Smoothing
Finance

Compound Interest and the Time Value of Money Explained

Understand compound interest, future value, compounding frequency, and the effective annual rate — with worked examples and the difference from simple interest.

Mar 30, 2025
7 min
Compound InterestTime Value of MoneyFuture Value
Business Analytics

Inventory Control: ABC Analysis, Safety Stock, and Reorder Point

A practical guide to inventory management: classify items with ABC analysis, calculate safety stock for a service level, and set the reorder point.

Apr 3, 2025
8 min
Inventory ControlABC AnalysisSafety Stock