31. For example, the interval [ 0, 1 ] is convex but generates the real-number line under linear combinations. 32. The notation may be used for other purposes, most notably as denoting open intervals on the real number line . 33. Faethon continued down the number line ( Faethon3, Faethon4, etc . ), until about 45 accounts had been registered. 34. Since World War II, books often include a number line ( printer's key ) that indicates the print run. 35. I explored the options, and I can see where I can control one number line , but not the other. 36. The projectively extended real line must not be confused with the extended real number line , in which and are distinct. 37. I think you're confusing numerals with the number line . talk ) 05 : 36, 12 May 2009 ( UTC) 38. It represents number magnitudes and has been called a mental " number line " used to approximate and manipulate quantities. 39. The distance between two points on a number line is not changed by adding the same quantity to both numbers. 40. The number 0 is neither positive nor negative and is usually displayed as the central number in a number line .
