Vieta's Formula for Pi/Historical Note

Historical Note on Vieta's Formula for Pi

Franciscus Vieta, or François Viète as he is otherwise known, published his formula for $\pi$ in $1592$.

Some sources suggest that it was $1593$.

1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $3 \cdotp 14159 \, 26535 \, 89793 \, 23846 \, 26433 \, 83279 \, 50288 \, 41972 \ldots$
1992: George F. Simmons: Calculus Gems ... (previous) ... (next): Chapter $\text {B}.9$: A proof of Vieta's Formula
1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $3 \cdotp 14159 \, 26535 \, 89793 \, 23846 \, 26433 \, 83279 \, 50288 \, 41971 \ldots$
2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Viète's product