About the Author
Lawrence Leff is former Assistant Principal, Mathematics
Supervision, at Franklin D. Roosevelt High School, a large urban
high school in Brooklyn, New York. Mr. Leff served on many local
mathematics committees including a term as a member of the New York
State Regents Exam Preparation Committee. He has a strong interest
in developing and publishing reader friendly mathematics review
courses. Mr. Leff has used his many years of experience teaching
and supervising all levels of high school mathematics classes,
including SAT Math preparation classes, to create a highly
effective SAT math study program.
About the Publisher
Many great things begin with a tiny spark, and for Manuel H. Barron
that spark came from a mimeograph machine in the basement of his
Brooklyn, NY, bookstore in the late 1930s. People from the
community asked Mr. Barron for books to help their children study
for the New York State Regents exams. After realizing there wasn't
anything available, Mr. Barron created his own study guides.
Now, more than 80 years later, Barron’s continues to help millions
of learners worldwide prepare for their next steps. With offerings
from pre-college prep to world language guides and professional
certification exams, Barron’s wants to be part of your success
story no matter what learning path you’re on. You can trust
Barron’s to provide exceptional products created only by top
experts with years of experience in education. From generation to
generation, our mission remains the same: Learn, grow, and succeed
with Barron’s throughout your life-long learning journey.
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