All Solvers
Choose from our collection of professional-grade Operations Research solvers
Simplex Method
Solve linear programming problems with multiple variables and constraints using the powerful Simplex algorithm
Features
- Multiple variables
- Any number of constraints
- Maximization/Minimization
- Step-by-step tableaus
Graphical Method
Visualize and solve 2-variable LP problems with interactive graphs and corner point analysis
Transportation Problem
Find minimum cost distribution from sources to destinations using transportation algorithms
Assignment Problem
Optimal one-to-one assignment using the Hungarian Algorithm for perfect matching
Shortest Path
Find shortest path between nodes in a weighted graph using Dijkstra's algorithm
Integer Programming
Solve integer linear programming problems using Branch and Bound algorithm
Duality & Shadow Prices
Form the dual of an LP, solve both sides with Simplex, and verify strong duality against shadow prices
Queue Problem
Analyze queuing systems using M/M/1 and M/M/c models with comprehensive performance measures
Economic Order Quantity (EOQ)
Determine optimal order quantity to minimize total inventory costs including ordering and holding costs
Breakeven Analysis
Calculate breakeven point and profit targets using cost-volume-profit analysis
PERT/CPM Analysis
Analyze project networks, identify critical paths, and calculate activity schedules
Portfolio Analysis
Calculate portfolio risk and return with diversification effects using modern portfolio theory
Production Planning
Optimize production quantities to maximize profit subject to resource constraints
Inventory Control
Multiple inventory management techniques: EOQ, ABC Analysis, Safety Stock, and Reorder Point with step-by-step solutions
Profit Margin / Mark-Up
Calculate profit margins, markups, and selling prices for pricing decisions
Financial Ratio Analysis
Calculate key financial ratios: Current Ratio, ROE, Profit Margin, Debt Ratio, and more
Cash Flow Forecast
Project cash balance over time with inflows and outflows analysis
Loan / EMI Calculator
Calculate monthly EMI, total interest, and payment schedule for loans
Inventory Turnover
Calculate inventory turnover ratio and days of inventory for efficiency analysis
Depreciation Calculator
Calculate asset depreciation using straight-line or diminishing value methods
Compound Interest Calculator
Calculate future value and interest earned with compound interest calculations
NPV & IRR Calculator
Discount cash flows to find net present value, internal rate of return, profitability index, and payback period
Game Theory
Solve two-person zero-sum games — saddle points, mixed strategies, and the game value via linear programming
Decision Analysis
Evaluate decisions under risk and uncertainty with EMV, EVPI, and classic decision criteria
Forecasting
Forecast time series with moving averages, exponential smoothing, and linear trend, with accuracy metrics
Standard Deviation & Statistics
Mean, median, mode, variance, standard deviation (sample & population), quartiles and IQR with steps
Linear Regression & Correlation
Least-squares line of best fit, Pearson correlation (r), R², covariance, and predictions with steps
Z-Score & Normal Distribution
Convert values to z-scores and find normal-distribution probabilities and percentiles with steps
0/1 Knapsack
Maximize value under a weight limit using dynamic programming — classic combinatorial optimization
Maximum Flow
Compute maximum flow and min-cut in a capacitated network with Edmonds–Karp augmenting paths
Job Sequencing (Johnson's Rule)
Sequence jobs on a two-machine flow shop to minimize makespan using Johnson’s rule
Economic Production Quantity
Optimal production lot size when replenishment is finite (production rate exceeds demand)
WACC Calculator
Weighted average cost of capital from equity, debt, preferred stock, and tax shield
AHP Decision Maker
Analytic Hierarchy Process with Saaty pairwise comparisons, weights, and consistency ratios
Learning Curve
Wright learning-curve model for unit and cumulative time under a percent learning rate
Equipment Replacement
Economic life analysis minimizing average annual cost or equivalent annual cost with interest
Markov Chains
Steady-state probabilities and n-step projections for discrete-time Markov chains
Monte Carlo Simulation
Simulate risk with uniform, triangular, or normal inputs and percentile outputs
CPM Project Crashing
Crash critical activities by cost slope to meet a target project duration
Hypothesis Testing & ANOVA
One-sample t, two-sample t, and one-way ANOVA with p-values and critical values
Getting Started
Select any solver from the list above to start solving your optimization problems. Each solver includes step-by-step instructions and detailed explanations to help you understand the solution process.