Golden ratio - Wikipedia, the free encyclopedia: "The golden ratio is explored in Luca Pacioli's book De divina proportione of 1509."
Okey yew authurz uv sum wikipediuh artikullz &* stffz yew, iz thiz heer:!
"The golden ratio is explored in Luca Pacioli's book De divina proportione of 1509." iz juzt mebbe knott quite rite, yew. Iz luuk heer & stuffz: COMMAZ SAYVZ MEBBE SUM UV SUM LYVEZ & STUFFZ YEW. Iz shud be, mebbe: "... book Sumtyetull (sum_date wud be e.g. 1509 & stuffz in mebbe sum pairzuvtheocraseizurez & stuffz. Srsly.) iz mebbe standurd English & stuffz yew wuz lurnd mebbe in grayd foar & stuffz mebbe! Srsly.