Provides tools for mechanics and civil engineering. Users can calculate water content, void ratio, degree of saturation, porosity, and more. Includes excavation, compaction, and thrust calculations. Supports Imperial and Metric units.
Calculate beam stiffness matrix for composite beams. Compute A, B, D matrices and transverse shear stiffness for plate models. Determine solid stiffness matrix and engineering constants for solid models.
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.
Displays cross sections for gamma/x-ray photons, fluorescence, and edge energies. It calculates transmission and attenuation for any energy. Information includes atomic number, mass, density, and energy values.
Explore a collection of Wiccan for love, prosperity, protection, healing, and more. Learn spellcasting techniques and rituals. Track lunar phases and planetary alignments. Access guided meditations and ritual instructions.
Allows users to perform calculations for and engineering parameters. It includes formulas and definitions for each calculation. Users can compute force, friction, centripetal force, work, power, displacement, and more.
Create and edit musical scores and tablature with tools for notation and tab editing. Import or start new scores. Share files with collaborators. View and analyze existing sheet music and tablature. Adjust notes, rhythms, and formatting.
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
Convert units across 35 categories including acceleration, angle, area, specific heat, electric charge, and heat transfer. Input values and select units for instant conversion. Save frequently used conversions for quick access.
Convert across 60 categories with 1327 and 53742 conversions. Switch between acceleration, angle, area, and other measurements. Convert cooking , electrical values, and data transfer speeds. Adjust for charge, density, and current.
Explore an interactive periodic table with element details and properties. Play an educational game hosted by David Pogue. Watch the full program "Hunting the " for in-depth explanations of element behavior and applications.