The app offers math drills and practice for students of all abilities. It is self-voicing and accessible with VoiceOver, and includes a low vision mode for added contrast.
Calculate Maidenhead locations and HF dimensions. Input frequency and select elements to determine reflector, driven element, director, and spacing sizes in feet, inches, and meters. Convert area measurements between square inches and square feet.
The app displays ratio charts for five commodities including gold, silver, platinum, palladium, and crude oil. Users can compare two ratios on the same chart, viewing either absolute or percent values, with charts starting at 100% in percent mode.
The app presents challenging physics-based puzzles where players guide a hungry piggy to collect eggs. It offers 60 levels in Adventure mode, requiring logic and skill to complete each stage.
The app provides tools for amateur radio operators and RF hobbyists. It offers antenna-length calculators, frequency-to-wavelength conversion, VSWR and ERP calculators, and signal utilities for DTMF and Morse code.
The app provides fashion tips for men and women, covering rules, common mistakes, and general advice. Users can save selected tips, customize the display, and share content via email or Facebook.
The app presents an in-depth, step-by-step approach to addition and subtraction using Montessori materials. It features color-coded place values and activities to help children understand number concepts up to 9,999.
Explore detailed facts with over 200 entries and hundreds of illustrations. Learn about Jurassic World dinosaurs, their biology, and habitats. Includes exclusive artwork by Carlos León. Suitable for both children and adults.
The app teaches ABCs, phonics, word recognition, and vocabulary. It features 26 animals for each letter, hundreds of interactive elements, and animations on every page.
This child-friendly activity puzzle features lovely designed animals and was developed by educators. The difficulty level can be changed individually for each child, promoting fine motor skills and logical thinking.
The app calculates weight and balance and performance figures for the Bell 206 B3 helicopter. It computes OGE, IGE, and rate of climb, with options for particle filters and different fuel tank sizes.
The app covers 2,914 species with over 4,000 photographs and distribution maps. It requires no internet connection and allows users to search, browse descriptions, add notes, and share photos.
The app provides a self-guided tour of public art in Greater Des Moines. Users can search for art by artist, title, or location and discover information about selected artworks.
The app calculates performance data using actual values from the Cessna 182T Pilot's Operating Handbook. It allows users to determine optimal cruise altitude, takeoff ground roll, landing distance, climb data, and stall speeds.