Sharp EL-9900 - Manual (Page 3)

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Introduction
This graphing calculator can handle many types of mathematical formulas and
expressions for you. It is powerful enough to process very complex formulas used in
rocket science, but yet so compact that it fits in your coat pocket. The main features of
this graphing calculator are as follows:
• Reversible Keyboard to suit the needs of students’ levels, ranging from middle-
school level arithmetic to high-school calculus, and beyond,
• Graphing Capability to help you visualize what you are working on,
• Slide Show Function to help you understand common formulas, prepare for presen-
tations,
• Large memory capacity, with fast processing speed, and more.
We strongly recommend you read this manual thoroughly. If not, then browse through
the very first chapter “Getting Started”, at least. Last, but not least, congratulations on
purchasing the Graphing Calculator!
NOTICE
• The material in this manual is supplied without representation or warranty of any
kind. SHARP assumes no responsibility and shall have no liability of any kind,
consequential or otherwise, from the use of this material.
• SHARP strongly recommends that separate permanent written records be kept of all
important data. Data may be lost or altered in virtually any electronic memory
product under certain circumstances. Therefore, SHARP assumes no responsibility
for data lost or otherwise rendered unusable whether as a result of improper use,
repairs, defects, battery replacement, use after the specified battery life has expired,
or any other cause.
• SHARP assumes no responsibility, directly or indirectly, for financial losses or claims
from third persons resulting from the use of this product and any of its functions, the
loss of or alteration of stored data, etc.
• The information provided in this manual is subject to change without notice.
• Screens and keys shown in this manual may differ from the actual ones on the
calculator.
• Some of the accessories and optional parts described in this manual may not be
available at the time you purchase this product.
• Some of the accessories and optional parts described in this manual may be
unavailable in some countries.
• All company and/or product names are trademarks and/or registered trademarks of
their respective holders.