Calculate electricity bills based on 2024 pricing updates from Decision 2699/QĐ-BCT. Input usage data to determine costs. View usage trends through charts. Option to purchase a paid version without ads.
Search words, listen to pronunciations, save vocabulary
Dictionary allows users to look up English-Vietnamese words without internet. It includes standard American pronunciation for over 40,000 words. Features a list of 3,000 common Oxford words. Offers a learning mode for new vocabulary.
View Catholic calendar for current and any specific date. Automatically calculate feast days according to Catholic liturgical calendar. Search Bible passages by content or origin. Search Vatican II documents by content or origin.
Utility for updating fixed phone numbers according to telecom regulations. Automatically scans list to show numbers needing updates. Displays area code changes by province and time of each phase. Allows selection of individual or all numbers to .
