41 tools across 7 engineering domains — every one built and verified. Tap any tool to view it and buy on Gumroad; downloads are instant.
Break equipment losses into Availability x Performance x Quality, auto-calculated with a trend chart.
Find your line's real constraint using Little's Law and a Pareto breakdown.
M/M/s queueing for patient wait times, staffing needs, and utilization.
Turn stopwatch data into standard time and a balanced line, stations and efficiency automated.
Spindle speed and feed rate instantly, with a material reference tab built in.
Linear programming and transportation problems, pre-built and ready to solve.
Map your process and get Value-Added time and Process Cycle Efficiency automatically.
Size your kanban cards from demand and lead time, with every term explained.
Compare layouts by real handling cost, cross-checked against an adjacency chart.
RULA posture scoring, plus a bonus REBA calculator for load-handling postures.
True annual cost of moving material, plus a 4-way equipment comparison.
Roll up material, labor, and overhead into a price, then find your break-even.
Split changeover into internal vs external steps, then see the annual dollar savings.
Cp, Cpk, DPMO and a working I-MR control chart. Process capability without the textbook headache.
Standard FMEA layout with automatic RPN scoring and the full 1-10 scoring reference.
MTBF, MTTR, and availability, plus a full Weibull reliability model.
The standard AIAG method, plus an interpretation guide for your result.
The full 8-discipline structure with two complete worked examples.
Economic Order Quantity, reorder point, and safety stock from your demand and cost inputs.
Rank SKUs by value, auto-classify A/B/C, and get a reorder policy for each class.
Moving average and exponential smoothing forecasts, error tracking, plus a seasonal index.
Match your busiest SKUs to your closest slots, with a travel-savings summary.
Full critical-path network analysis, plus resource loading to spot overallocation.
One-way ANOVA, a two-sample t-test, and a Chi-Square test in one calculator.
A full 2^3 factorial design with main effects and two-way interactions.
Simple linear regression plus a two-predictor multiple regression.
A day-by-day plan to build a real LinkedIn presence, not just 'post more.'
Beat the ATS filter, then win the human reader. Includes a full worked example.
STAR framework plus behavioral, IE, and CAD question banks. Includes worked answers.
A candidate pipeline tracker paired with job-description templates and a scoring rubric.
Compare offers on true total comp, with a 7-year compounding projection.
All 14 GD&T symbols, datums, and modifiers explained plainly.
12 CAD projects, beginner to advanced, with dimensioned reference drawings.
Plan all four years of your engineering degree in one Notion dashboard.
A dedicated Notion workspace to log simulation models, runs, and results.
Modeling reference for surgical instrument geometry, with dimensioned examples and a training tracker.
NPV, IRR, payback, and depreciation, calculated correctly every time.
A Gantt-style capstone timeline, plus a budget tracker.
Study hours allocated by exam topic weight, plus a practice-score tracker.
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