Finally, she stepped back and knelt before me, and looked up at me with brown eyes full of lust.. I looked down at my cock and it was already turning...purple. Her pink tongue flicked out to that spot on the underside of the cock, just below the head where at the right moment the slightest touch can be so pleasurable as to be painful. It was electric!! She slowly ran her tongue back and forth on the underside of the ridge of my cock head and I could do nothing but groan!!! She laughed and. Aaron, wanting them to stop fighting, sucked Megan’s lips to his and grabbed her butt cheeks keeping her pulled to his mouth. Carly pulled her hand from Megan’s butt, accidently wiping her fingers against her oozing vaginal opening, and rubbing the mixture of her sister’s and Aaron’s cum onto her hand. Not knowing what to do with it, she took her hand and wiped her own vagina with it, and just waited, feeling the warm liquid running through her short newly forming pubescent shrub. Seeing Aaron. Mom and I weren't doing too well since Dad had left, and even though he still sent some money I got the impression from Mom that it was irregular and really only barely covered the mortgage, and when she got retrenched from her job her savings were pretty much all we had to go on. Marcia's parents were rich, or so it seemed to me. Their house was easily the biggest in the neighborhood. It seemed Mrs. Wilson was always off shopping, sometimes taking Marcia with her and returning with more new. Then the ratio should converge to pi. Taunus Trumbo: Sounds like Calculus to me. Faustus Mortal: It is partially Calculus. It is a true statement that the history of mathematics was, up until recently, the history of pi and its influences. Now we have number crunching digital computers. Taunus Trumbo: Most students don’t even know how to compute the square root of two by hand and almost none know how to compute the cube root of two by hand. Faustus Mortal: This is very true. But pi is not a.