NVvW 2023

Planimeters

During the annual meeting of the Nederlandse Vereniging van Wiskundeleraren in Veenendaal, November 2023, the Dutch Circle presented various planimeters.

• Polar planimeters
  • Online interactive animation
  • Presentation (PDF)
  • Article (Dutch)
• Hatchet planimeters
  • Online interactive animation
  • Manual (PDF)
  • Video about accuracy (English)
  • Article on Prytz' planimeter (German)
  • Article on Schnöckel's variants (German)
• Wilda's planimeter (harp)
  • Online interactive animation
  • Description (German)
• Adisco polar harp
  • Online interactive animation
  • Description and video (English)
• Square root planimeter
  • Online interactive animation
  • Description (German)