- GaugePassFree weld symbol, filler metal, discontinuity and welding math reference, plus practice questions and a gauge trainer for welding inspectors.
- EngiRef119 engineering formulas with solvers, 56 materials, 134 unit conversions, constants and reference tables.
- SpanRefPublished lumber span tables for floor joists, ceiling joists, rafters and decks, with instant span lookup, a deck calculator and reverse sizing.
- MixRatioConcrete, mortar and grout calculators for slabs, footings, columns and post holes: cubic yards, cubic metres and bag counts, plus 179 worked examples.
- ActuaryDeckFree formula reference and practice drills for SOA Exam P and Exam FM: every distribution, annuity, loan and bond formula with a worked example.
- RefDrillA timed drill that trains you to find any topic in the NCEES FE Reference Handbook in seconds, plus a free guide to every section of the handbook.
- ReadTheSetLearn to read construction drawings by reading a real set: floor plans, sections, details and schedules, with measuring, callout drills and graded reasoning.
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