Higher Education & Vocational Open Access

Academic & Vocational Curriculum Solvers

Free institutional mathematical models and real-time simulators for university professors, trade school instructors, MBA courses, and personal finance curriculum.

Youth STEM, AI & Youth Entrepreneurship (Ages 7–16)

Youth STEM Robotics, AI & Youth Venture Solvers

Computational models for parents, K-12 educators, and young innovators modeling early career ROI, hardware prototyping, and startup pitch deck financial models.

Youth STEM Robotics, AI & Coding Education ROI Calculator https://tools-vault-4ml.pages.dev/youth_stem_robotics_and_ai_education_roi_calculator.html
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Teen Entrepreneurship, Product Pitch & Startup Equity Calculator https://tools-vault-4ml.pages.dev/teen_entrepreneurship_and_startup_equity_calculator.html
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AI Prompt Engineer & Agent Architecture Retainer Sizer https://tools-vault-4ml.pages.dev/ai_prompt_engineer_consulting_retainer_sizer.html
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Trade Schools & Vocational Engineering

Trade Schools & Vocational Engineering Curriculum Solvers

Hands-on computational models for welding metallurgy, fabrication job estimation, HVAC load, and electrical sizing.

MIG/TIG Welding Consumables & Duty Cycle Sizer https://tools-vault-4ml.pages.dev/mobile_welding_fabrication_job_cost_estimator.html
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Solar PV & Battery Inverter Engineering Modeler https://tools-vault-4ml.pages.dev/solar_generator_battery_storage_backup_sizer.html
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Commercial Roofing TPO & Metal Cost Estimator https://tools-vault-4ml.pages.dev/metal_roofing_vs_asphalt_shingle_roi_calculator.html
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Undergraduate & MBA Real Estate Finance

Undergraduate & MBA Real Estate Finance Curriculum Solvers

Institutional cash-on-cash, capitalization rate sensitivity, DSCR debt service underwriting, and IRR waterfall models.

BRRRR Multi-Family Financial Underwriter https://tools-vault-4ml.pages.dev/brrrr-calculator.html
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Short-Term Rental 12-Month Seasonality Modeler https://tools-vault-4ml.pages.dev/airbnb_dynamic_pricing_and_occupancy_optimizer.html
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RV & Boat Self-Storage Feasibility Underwriter https://tools-vault-4ml.pages.dev/rv-boat-canopy-storage-cap-rate-optimizer.html
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Personal Finance & Applied Economics

Personal Finance & Applied Economics Curriculum Solvers

Computational simulators for safe withdrawal rates (SWR), compound growth, sequence of returns risk, and inflation drag.

FIRE Safe Withdrawal Rate & Longevity Modeler https://tools-vault-4ml.pages.dev/compound_interest_fire_wealth_sizer.html
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Thermogenic Calorie Deficit & TDEE Metabolic Sizer https://tools-vault-4ml.pages.dev/thermogenic_calorie_burn_fat_loss_deficit_sizer.html
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Mobile Auto Detailing Small Business Break-Even Sizer https://tools-vault-4ml.pages.dev/mobile_auto_detailing_route_profit_sizer.html
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