DESIGN AND IMPLEMENTATION OF SIMPLE SCIENTIFIC CALCULATOR.

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ABSTRACT

This work was centered on the Design and implementation of a simple scientific calculator for education organization. The study traced calculator system as a tool to completely change mathematical knowledge and sophisticated problems solving strategies had advanced the field of simulated engine in mathematic.
This project work also focused principally on numbers and arithmetic operation. This researcher investigated the manual system in detail with a view to finding out the need to automate the system.
Interestingly, the end result of simple calculator system was its ability to process number and operators, and provides a useful result.
Therefore, this project will help immensely in the following way. Easy calculating of tedious mathematical problems, easy to retrieval of errors and it will also be of a good assistance to any researcher on these topics.

TABLE OF CONTENTS

CHAPTER ONE
INTRODUCTION
1.1 Statement of the problem
1.2 Purpose of the study
1.3 Aims of the study
1.4 Scope of the study
1.5 The limitation
1.6 The assumption
1.7 Definition
CHAPTER TWO
LITERATURE REVIEW

CHAPTER THREE
DESCRIPTION AND ANALYSIS OF EXISTING SYSTEM
3.1 Facts finding methods
3.2 Objectives of the existing system
3.3 Input process and output analysis
3.4 Problem of existing system
3.5 Justification of the new system

CHAPTER FOUR
DESIGN OF THE NEW SYSTEM
4.1 Output specification and design
4.2 File design
4.3 Procedure design
4.4 System flowchart
4.5 System requirement
CHAPTER FIVE
IMPLEMENTATION
5.1 Program design
5.2 Program flowchart
5.3 Pseudo code
5.4 Program code
5.5 Test run

CHAPTER SIX
DOCUMENTATION
6.1 User guide
6.2 Module and procedure
6.3 User specification

CHAPTER SEVEN
CONCLUSION AND RECOMMENDATION
7.1 Conclusion
7.2 Recommendation
Bibliography

CHAPTER ONE

INTRODUCTION
Ever since, tedious mathematical problems in the organization is not a simple one, that is to say, the process can be said to involve a lot of procedures or protocols which ranges from insertion of figures for tedious calculation, processing of numbers and retrieval of errors. However, because of this, there is the need to accomplish an extensive research to discover the intricacies involved in the entire process. So the researcher decided to embark on this work design and implementation of a simple scientific calculator.
Computer have gone from being fantasies of science, fiction of realities of everyday life, especially in the offices, school (educational organization). This work is a research aimed at solving the above promblem. When this system actualizes, it would be received of solving tedious calculations and sophisticated mathematical problems.

1.1 STATEMENT OF THE PROBLEM
In computation of numbers, there ties several kinds of problems in solving tedious arthimetic operation with simple calculator. Having been facing a lot of general problems, the problem identified below relate to computation of numbers:-
i low and slow speed of the calculator
ii Inappropriate representation of data
iii Loss of figure in computation of higher