Preface

Assalamu’alaikum wr.wb
Thanks to God, Allah SWT, because the God protect us in comfortable life, permission healthy, keep our spirit, keep our life, keep our opportunity to solve the recention of book “Mathematics 2”.
Shalawat an prays, that or our chairman, chairman for al moeslem in the world. Chairman which can let we to “savety”. Chairman of human to “End of Ages”
Thanks to Mr. Marsigit, our letchurer, because he was educate me, one by one word, one by one motivation, one by one spirit, one by one tips, etc. He give this for our success, to be more than mathematician, but international mathematician. To be an international mathematician we not only competence in mathematic, but English too. Thanks for Mr. Marsigit give me the opportunity to evaluated this book
If someone do something, he/she must have a lesson or purpose, not differetr with me. Out reason is to apply our task in English subject. Different with our reason, our purpose is to solve one “little” step to meke our be an international mathematician, to raise our competence in English.
I hope, this recention can be evaluated from this book. That is our first opportunity to evaluated mathematical book. I think, this recention is so far from perfect. I hope this recention can be evaluated by al readers carefully. If many false in this book, forgive me.
Wassalamu’alaikum wr.wb.

Yogyakarta, April 21th 2009


Writer Team