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RF design formulas from attenuation to link budgets

Solar movement and shadow information on a map

A map-tool collection for distances, areas and location lists

Practical telescope and observing calculations

Ask a research question and get an answer grounded in open science papers, with citations.

Runday.ai is a no-code platform that uses AI agents to answer buyer questions and book B2B appointments.

Sourdough guides, planning references and a free bread book

PMI's PMP preparation subscription with refreshers, practice questions, mock tests and progress tracking.

AI contract review and drafting for legal teams

Computational queries across mathematics and factual topics

Spanish home-project quotes with price and inspiration resources

Maryland garden resources with local classes and expert questions

Compare ways to reach a place across transport modes

Compare answers from multiple AI chatbots in one place.

Medical and nursing learning with videos and practice tools.

Medical study material linked to a clinical reference library

AI job preparation tools for interview questions, cover letters, and CV matching.

Preparation focused on frontend developer interviews

An independent practice-exam catalogue for school, college and professional tests.

Science questions, discoveries and everyday explanations

A home-baking community with forums and baker journals

Interactive Japanese study based on Japanese From Zero!

Home repair topics and product-comparison reading

Iris-growing interests, society contacts and registration resources