If you are adopting a low-carb diet for diabetes control, consult with your doctor about what is appropriate. A Word From Verywell. When you switch from a regular vegetarian diet to a low-carb vegetarian diet, your sources of protein may need to change from high-carb beans and grains to lower-carb soy, seitan, eggs, and milk. Enjoy exploring new recipes within these choices.
William Jones and his Circle: The Man who invented Pi. In 1706 a little-known mathematics teacher named William Jones first used a symbol to represent the platonic concept of pi, an ideal that in numerical terms can be approached, but never reached.
Here's pi to many more digits: 3.14159265358979323846. The area of a circle is pi times the square of the length of the radius, or pi r squared: The modern symbol for pi [ ] was first used in our modern sense in 1706 by William Jones, who wrote: Pi (rather than some other Greek letter like Alpha or Omega) was chosen as the letter to represent the number 3.141592... because the letter [ ] in Greek, pronounced like our letter 'p', stands for 'perimeter'.