Scientific Calculator
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Builds a scientific calculator in HTML5, CSS3, and JavaScript that mirrors a professional unit — all basic arithmetic with correct operator precedence, and advanced trigonometric, logarithmic, exponential, and statistical functions with a degree/radian toggle.
Prompt content
Use HTML5、CSS3 and JavaScript Create a comprehensive scientific calculator imitating a professional calculator. Use the correct order for all basic algorithms. Including angles./An advanced scientific function (triangular, logarithmic, index, statistical). Add memory operation with visual indicator(s)M+、M-、MR、MC）。Maintains a rolling historical record of calculations that can be removed or preserved. Full keyboard support is achieved with appropriate key maps and shortcuts. Adds powerful error processing and useful error messages for exclusion, invalid operations and spill conditions. Creates a responsive design that converts between standard and scientific layouts according to the size or direction of the screen. Includes multiple subject options (classic, modern, high contrast). Adds optional voice feedback to press the button through volume control. Duplicate results and expressions achieved/Paste function.