Explore historical stories about Portland's cultural heritage. Learn about diverse ethnic communities and their contributions. Discover preserved sites and lost neighborhoods through detailed narratives.
Solve math problems by taking a picture or uploading an image. View correct answers instantly. Access detailed step-by-step solutions. Track progress and review explanations for better understanding.
This application provides a tool for students, teachers, and engineers to solve various math problems. It combines graphing and scientific calculator features with the convenience of a larger screen and keyboard for complex calculations and plotting.
Provides tools for calculating Carnot efficiency, Eckert number, emissivity coefficient, energy efficiency, and more. Users can access thermodynamics tables, formulas, and definitions.
Perform complex calculations with support for real and complex numbers. Manipulate symbolic expressions and use over 225 built-in functions. Scroll through results with finger gestures. Copy and paste data for easy sharing.
Learn Koine with interactive lessons and vocabulary drills. Practice grammar rules and sentence structure. Access texts and compare translations. Complete quizzes to test knowledge and track progress.
Learn Hiragana and Katakana by tracing characters on the screen. Correct tracing is required to progress. Collect animations as you advance through increasingly difficult characters.