Jiangbo Zhu

1 This app can help you to convert a decimal number to a binary number or octal/hex number.2 You can enter a binary/octal/hex number and convert it to …

1. This tool will work out the prime factorization of a number.2. This tool will find out All Factors of a Number3. This tool will do division with re …

1 An app designed to help primary students to improve their calculation.2 Students can practice plus operations using this app.3 Choose two buttons wh …