Learn programming with code examples for and SQL. Explore substring extraction, generalized method declarations, and database queries. Study SQL joins, grouping, and data types. Access curated code from books and online sources.
Perform electrical engineering calculations with and capacitor tools. Calculate filters, attenuators, rectifiers, and oscillators. Convert units like Lumen to Candela and Delta to Y. Analyze skin effect and PCB trace impedance.
Identify Egyptian Pharaohs by matching cartouches and names. View detailed profiles with images, dates, and key facts. Search by name or cartouche. Access high-resolution images of hieroglyphs and portraits.
