This app can perform super fast calculations for education and industrial uses. It is mixing the ancient wisdom and modern digital technology together with 14 columns and have 5 selections: For Basic system, it comes with integers & 4 decimal places. For Scientific system it comes with integers, 2 decimal places, and 4 decimal places. Highlighted features: 1. Continuous calculations(with full version) 2. Can modify data input process. 3. History of operations and results cam be emailed. 4. Sound supported.
