IP Mask Calculator vs PropaneTracker

* "Simply Elegant" -SMC * "Nicelly done, that's exactly what I need. I use it for my CCNA preparation" -Jason Ming This IP Subnet Mask Calculator is designed for Network Engineer that need to calculate or verify the ip mask, hosts range, broadcast ip, etc. Handles truly like a calculator with keys and display in a single view, all the values updates in real time as you increase or decrease the mask bit. AN EASY, SIMPLE, MUST HAVE APP FOR IT PROFESSIONALS !! Features: - Easy edit with custom keyboard - Entry validation with sound feedback - Class A,B,C,Reserved - Display realtime IP mask, first last host, network IP and broadcast IP - Subnetting and Supernetting - Decimal, Binary and Hexadecimal - Results are formatted and ready to be emailed for report or printing  BONUS: - Fetch IP address registration information from IANA.org database using whois protocol.

Propane Tracker helps you monitor your propane tank level and track deliveries. Log your tank gauge readings to track your propane level over time. View your consumption history to understand how quickly you use propane throughout the year. Keep a complete record of deliveries with gallons, costs, and price per gallon. The app estimates your current tank level and how many days of propane you have remaining based on your historical consumption patterns, helping you plan ahead for your next delivery. Getting started is simple—just choose from common residential tank sizes (120, 250, 325, 500, or 1,000 gallons) or enter a custom size. Export your readings and delivery history to CSV files anytime for backup or analysis. Designed for homeowners with a percent gauge on their propane tank. All data is stored locally on your device. No account required.