About Exponents

Arthur Lee, Feb 27, 2017

collection of materials related to exponents, index laws, exponential functions/equations and logarithm


  • 1. doubling and halving a triangle
  • 2. A4 paper halving and doubling
  • 3. dilate and rotate
  • 4. Compound Interest
  • 5. Compound Interest with Input Boxes
  • 6. box office
  • 7. Solving Exponential Equation
  • 8. Equiangular Spiral
  • 9. question 4
  • 10. PMC 2014-15 Q4
  • 11. PMC 2014-15 Q3
  • 12. Question 2
  • 13. power law
  • 14. knowing powers of 2
  • 15. table of powers
  • 16. 2 lists of powers
  • 17. 3 lists of powers
  • 18. multiplying powers of 2
  • 19. coronavirus
  • 20. coronavirus double
  • 21. powers of 1-5
  • 22. Fractal '5 Squares'
  • 23. covid trajectory
  • 24. covid trajectory 2
  • 25. log transform
  • 26. Logarithm as Time
  • 27. Logarithm as Time with note

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doubling and halving a triangle

doubling and halving an isosceles right triangle for exploring powers of 2
Try to zoom in and out when changing the size of the triangles:[br][url=https://youtu.be/SHv3bktJL7I]https://youtu.be/SHv3bktJL7I[/url] [br][br]There is a similar applet based on a rectangle:[br][url=https://ggbm.at/FQ8f4RPm]https://ggbm.at/FQ8f4RPm[/url][br]
– Arthur Lee

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