Hawkesworth, Alan S. (March 1931). Two Mnemonics. The American Mathematical Monthly. 38 (3): 158. doi:10.2307/2300971. JSTOR2300971. The following mnemonic for π is due to Sir James Hopwood Jeans
Hawkesworth, Alan S. (March 1931). Two Mnemonics. The American Mathematical Monthly. 38 (3): 158. doi:10.2307/2300971. JSTOR2300971. The following mnemonic for π is due to Sir James Hopwood Jeans