Showing 1–20 of 1,000 ranked alternatives.
Varsity Tutors LLC
Thousands of study tools available now.
The app provides thousands of learning concepts and study tools for users. It offers practice tests and diagnostic tests with feedback on performance by concept area.
Joseph Iannazzone
Track weather, logs, and band conditions
Provides real-time band conditions from HamQSL for optimal frequency selection. It delivers live spots for station locations. Users can check current propagation reports, track solar flux, and view HF propagation charts.
Copeland LP
Calculate refrigerant charges instantly
Calculate refrigerant charges for systems using built-in formulas. Input system parameters to determine correct levels for R-22, R-410A, R-32, and other refrigerants. Save and export calculation results for record-keeping.
Calculated Industries, Inc.
Browse boating charts and images
Access boating information with detailed charts, graphs, and illustrations. Look up formulas, safety guidelines, and equipment specifications. Search for content by topic or use the table of contents. View 800+ images and diagrams for visual .
Merriam-Webster, Inc.
Look up words and definitions offline
Access definitions and synonyms offline. Use voice search to look up words. Learn a new word daily with Word of the Day. Play word games for vocabulary practice.
Brilliant Worldwide, Inc
Math and computer science concepts
Math and computer science through interactive lessons and personalized practice. Explore concepts visually, solve problems step-by-step, and receive instant feedback. Track progress and set learning goals to improve STEM skills.
Public Safety Dive Supply LLC
Dive planning math for safety teams.
The app provides a toolkit for public safety dive teams to calculate common dive planning values. It includes calculators for gas partial pressure, gas consumption, SAC, tank factor, tank volume, and MOD.
DeCesha, Inc.
Grade questions, track progress, customize plans
Practice tests with customizable questions across 48 subjects. Track performance with detailed score reports. Review answers and identify areas for improvement. Set goals and monitor progress over time. Sync data across devices.
Hanh Le
Study state-specific CDL tests and track progress
Study for the CDL exam with state-specific practice tests for all 50 states and endorsements. Track progress in real time. Access questions on General Knowledge, Air Brakes, and Hazmat.
Hearthstone Counseling Inc
Explore your Enneagram type and traits
Explore the Enneagram system with detailed type descriptions, wing analysis, and growth strategies. Track personality development, access study guides, and compare types. Share insights and save progress for ongoing learning.
Calculated Industries, Inc.
Access , charts, and COLREGS documents
Provides access to COLREGS and Inland , including amendments. It includes sound and light signals, steering and sailing , and other essential boating references. Users can search and bookmark regulations for quick reference.
Patrick van der Ploeg
Solve problems, learn formulas, track progress
Solve and problems with AI-generated explanations and step-by-step solutions. Access formulas, flashcards, and quizzes for practice. Track progress and review class material efficiently.
Loren Cook Company
Mechanical designers reference guide for information.
The app offers a reference guide for mechanical designers. It provides access to information on fan basics, system design, duct design, motors and drives, heating and refrigeration, and formulas.
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