A utility for organizing math problems and erasing handwritten marks from exams. Users can scan and automatically input errors, categorize them with customizable labels, and generate printable practice sheets. Export problems as PDF, image, or Word.
The app provides a music library for prenatal education, covering all stages of pregnancy. It offers a selection of gentle classical piano, nature sounds, guzheng music, and lullabies to support fetal auditory development and calm expectant mothers.
Learn math for grades 1-6 with interactive reading and audio support. Adjust sentence speed and pause time for personalized learning. Track progress with automatic scoring and feedback. Switch between reading, listening, and drawing modes.
Calculate real annual interest rates based on repayment amounts, loan totals, and term lengths. Support for equal principal, custom first payments, and various loan types like mortgages and car loans.
