21. They are rated just below investment grade and are not callable until October 2002. 22. Most MPI implementations consist of a specific set of routines directly callable from Python. 23. Making objects callable using the same syntax as functions is a fairly trivial business. 24. A straight bond that is neither callable nor putable is called a bullet bond. 25. The largest market for callable bonds is that of issues from government sponsored entities. 26. Most rules engines function as a callable library. 27. In this case, pricing will be similar to that of a callable bond. 28. Nobody believes Mexico has callable capital anymore, 29. Those smaller gains mean that the yields of callable securities drop less in a rally. 30. He says there are other better ways to measure risk, especially in callable bonds.