PHP: What can PHP do? - Manual
Options and Futures Trading-Call and Put Options
Options are contracts on some underlying trading instrument - shares of stock, bonds, a commodity, a mortgage loan, etc. (The list is endless.)
How To ... Build Raised Beds - Hobby Farms
Growing in raised beds has many advantages: It can be easier on aging backs and knees, and the soil conditions inside a raised bed can easily be kept optimal.