Simulate the HP-45 scientific calculator with photo-realistic visuals and animated keys. Perform all original functions and operations. Access a secret timer for 12-hour or 100-hour intervals. Switch to Super-45 mode for enhanced capabilities.
Convert copper to aluminum with real-time variable
Convert metal types by analyzing key variables in real time. View critical data for copper to aluminum or aluminum to copper conversions. Adjust parameters and monitor results instantly.
Scan colors, find matching products, organize palette
Scan colors to find matching products. Create and share palettes. Organize references. Coordinate colors for design projects. Match exact colors instantly. Sync collections across devices.
Explore probability with interactive sliders and buttons. Calculate probabilities and percentiles for upper tail, lower tail, or two-tailed tests. Visualize results alongside numerical solutions. Compare continuous and discrete side-by-side.
Tune PI/PID controllers using experimental data. Analyze process loop data to determine optimal controller settings. Adjust proportional, integral, and derivative parameters. Export tuning results for use in industrial systems.
Convert numbers between , , hexadecimal, and octal formats. Input a value and select the target format for conversion. Display results clearly with error handling for invalid entries.