Reverse polish notation calculator for iPhone, iPad, and Apple Watch
The app provides a reverse polish notation calculator for iPhone, iPad, and Apple Watch. It offers a clean interface with essential functions for quick calculations.
Write handwritten notes and sketches with customizable colors and stroke sizes. Add text to notes. Share notes to social media apps. Save notes to Photos with a single tap. Print, save, or export notes. No ads.
Calculate measurements in feet, inches, and meters
Calculate measurements using feet, inches, yards, meters, and regular numbers simultaneously. Input fractions by selecting a numerator and denominator. Convert between units and perform calculations for construction tasks.
Outline creation and management with nested tags and customizable fonts. Import and export OPML and Markdown files. Sync and share via iCloud. Embed images and format text. Support drag and drop, links, notes, and backlinks.
Convert Jet A or 100LL between US gallons, pounds, liters, and kilograms. Enter type, units, remaining amount, and desired amount for accurate conversion. Adjust and save specific gravity and conversion factors.
Edit by converting with a single click: uppercase, lowercase, title , sentence , inverse , or alternating . Clean by removing double spaces, line-breaks, or HTML code. Undo changes if needed.
Calculate dates by adding or subtracting years, months, or days. Determine weekdays and weekends between two dates. Track working hours with an hour and minutes calculator.
Import Chinese ePub, add romanization and translation,
Convert ePub files in Simplified or Traditional Chinese to include romanization lines (pinyin, Sidney Lau, Yale) and native language lines (English, Spanish). Export as PDF.
Convert , , hex, and octal numbers with one-tap input. Perform bidirectional conversions between all number systems. Save and share conversion results. View detailed conversion steps and history.
Calculate area, perimeter, and square-up using length, width, and height. Convert measurements between yards, feet, inches, fractions, and decimals. Perform unit conversions for math tasks.
Perform complex calculations using RPN input. Access programmer functions for base conversions and bitwise operations. Use fraction mode and probability distributions. Track time with a stopwatch. Store and retrieve custom programs.