Interactive Very simple calculator as a primary task. As of now it handles arithmetic, linear and quadratic calculations Introducing solutions is unhelpful as other fundamental issues are encouraged. // And ELU welcomes solutions to much less simple inquiries delivered They can be accompanied by supporting references. Edwin Ashworth Novak Djokovic https://businessenglishnewspaper.blogspot.com/2025/06/empower-your-day-with-truth-read-what.html