I can get the job done! You need a sort of scripting input cell? You enter the equation and it is automatically solved, remaining only the resulting number in the cell and the equation would be erased. Did I understand ok (if math not exactly so, no problem, would just need to chat)? This can be done with a macro worksheet.
About me: I'm an engineer with advanced working knowledge and experience (over 15 years) in Microsoft Excel and VBA including the interaction between different software (Word, Excel, Powerpoint, Access, Outlook, MS Project,MS Visio, Autocad, pdf, CorelDraw, PhotoShop, etc.). Also on web scraping, Access DB design, management Dashboards, stock and financial worksheets, KPI's, proficient coder in VB.Net, C#, Python, JavaScript (google sheets), VB6, AI (neural networks, genetic algorithms, optimized search, etc).