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Cutting plans for sheet, linear and roll materials

Speaker enclosure and crossover calculation tools

Audio, acoustics and electrical calculation references

Energy-code calculations for commercial building projects

Residential building-envelope calculation reports

Thermal-comfort models with visible environmental inputs

Residential HVAC load, selection and duct calculations

Location-based photovoltaic performance calculations

Solar movement and shadow information on a map

Solar position, photovoltaic and map calculations

Telescope and camera calculations for observing setups

RF design formulas from attenuation to link budgets

Current-limiting resistor calculations for LED arrays

Circuit and electrical formulas grouped by task

Component calculations for practical electronics

Microwave network and transmission-line calculations

RF and microwave calculations with formula references

Engineering formulas organized by discipline and quantity

Physics calculations with visual explanations

Building-services calculations with visible equations

Engineering calculations with steps and interactive models

Engineering formulas with live diagrams and worked guides

Civil and structural calculation tools in one collection

Beam analysis that can continue into a 2D model