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Showing 121–140 of 1,000 ranked alternatives.
Federal Reserve Bank of Minneapolis
Calculate inflation rates over time
Calculate inflation rates using Consumer Price Index data from 1913 to the present. Compare historical prices of goods and services. View charts showing price changes over time. Export data for further analysis.
Tim Lucas
Explore with slopefields and phase planes
Explore graphical solutions to ordinary with interactive activities. Input custom or use preloaded examples. Plot vector fields and solutions for multiple initial conditions. Solve systems of up to six dynamically.
Prepia Inc
Practice SAT questions and track progress
Study SAT with 1,500+ practice questions and detailed explanations. Set personalized study goals and track progress. Access updated questions aligned with guidelines. Review explanations and practice for math, reading, and writing sections.
Thinkabout LTD
Solve stats problems with AI
Scan and solve statistical problems by capturing images. Input data for analysis and receive instant solutions. View detailed step-by-step explanations. Access formulas and definitions for statistical concepts.
Bernhard Klingenberg
Fit models and display inference results
Create scatterplots and fit simple or multiple linear, logistic, or exponential models. Display standard errors, confidence intervals, and P-values for model parameters. Include categorical predictors and two-way interactions.
EnginPeers LLC
Review concepts and solve problems
Learn and review concepts with 10+ detailed topics. Access lessons, quizzes, and practice problems to prepare for exams. Track progress and unlock additional content as you study.
Hung Nguyen
Practice DMV tests and track your progress
Access DMV practice tests and questions for driver's license preparation. Track results and identify strengths and weaknesses. Receive detailed score reports and analyze performance across topics.
昌涛 刘
Guess brands, watch fragments, ask friends
Guess brand names from fragmented logos. Ask friends for help via Facebook. Learn about well-known brands through gameplay. Track progress and review answers. Share results with social media.
PrepFE, Inc.
Practice problems, flash cards,
Study engineering concepts through practice problems and flash cards. Learn FE Reference Handbook material and take practice on the go. Access curated content by engineering experts and track progress without carrying physical study materials.
Akash Jain
Snap questions, get answers, step-by-step
Solve problems with step-by-step explanations. Capture questions via photo for instant answers. Support includes arithmetic, algebra, calculus, and more. Provide solutions for equations and inequalities.
Higher Learning Technologies, Inc.
Study concepts with flashcards
Study for the NCEES FE Disciplines with flashcards covering 780+ essential principles, equations, and formulas. Review content anytime, test recall with practice questions, and track progress.
Smartdong School
Track , focus, and organize tasks
Track spent on tasks with a flip that starts when you flip your phone. Set and manage a daily schedule with a table feature. Earn donation coins for every 10 minutes of focused work. Log study or work sessions and view summaries.
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