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.
Convert currencies using real-time exchange rates. Input amounts and select currencies. View historical rate data. Save frequently used conversions. Share results via email or messaging.
Take notes with text, images, and attachments. Archive notes for organization. Edit notes with version history. Sync across devices using iCloud. Backup notes automatically. Add a widget for quick access. Use with Apple Watch and iMessage.
The app provides currency conversion for 166 currencies, unit conversion across 15 categories and 224 units, and an engineering calculator with functions for analysis, trigonometry, and discrete math. It supports 20 languages and offers dark mode.
