Sliderule Emulator with Equation Solver

Hemmi/Post 1460 Versalog Slide Rule

A classic slide rule replica implemented in JavaScript. All scales are programmatically drawn from reverse-engineered mathematical equations.

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How to Use

• Drag the rule or cursor with your mouse
• Scroll with mouse wheel to zoom in/out
• Right-click on cursor or scale to enter values:
  • Numbers: 3.14
  • Constants: pi, e
  • Degrees: 2:30:26
• Use the Equation feature to solve mathematical expressions
• Toggle Markings and Display options in the control panel