(Java)科學型計算器開發及實現

淮北師范大學

科學型計算器的開發與實現

學 院 計算機科學與技術 專 業學 生 姓 名學 號指導教師姓名科學型計算器的開發與實現

作 者：

指導教師：

摘 要：目前，科學計算器的應用非常廣泛，從科研、生產、國防、文化、衛生、直到家庭生活，都離不開科學計算器的服務。通過使用科學計算器，避免了人工運算的繁瑣，以及人工運算可能帶來的較大誤差和運算錯誤，給人們的運算帶來了極大的方便。

這篇文章主要介紹用軟件的方法實現科學計算器系統，包括：科學計算器系統的概述，科學計算器系統的開發原理和主要實現的功能，子模塊的設計和實現技術。其中，重點介紹了對話框、控件的使用，不調用庫函數，通過計算方法的原理來實現函數計算。

本系統需要實現以下功能：加、減、乘、除、余運算、倒數、乘方運算、開方運算、冪運算、對數運算、指數運算、正弦函數運算、余弦函數運算、正切函數運算、余切函數運算、反正弦函數運算、反余弦函數運算、反正切函數運算、反余切函數運算、排列組合運算和弧度與角度之間的轉換，能輸入正負數、小數，具有清零、退格功能，具有連續運算的能力。

關鍵詞：對話框；控件；計算方法

Development and implementation of scientific calculator

Candidate:

Supervisor: Associate Professor

Abstract：Currently, the application of scientific calculator is very extensive. It can not be get away from the service of scientific calculator in the field of research, production, national defense, culture, hygiene, even family life. By using scientific calculator, the tedious artificial operation, the larger errors and operational mistakes, which are caused by artificial operation, can be avoided. It brings much convenience to people's operation.

This article mainly introduces a scientific calculator system implementing from the perspective of software. It includes the overview and developmental principle of scientific calculator system. It also contains the primary functions, which have been implemented, the design and implemental technology of sub-modules. Among them, it forces on introducing the usage of dialog box and controls as well as the implementation of mathematic function without using library function, but computing method.

The system needs to achieve the following functions : adds, subtracts, multiplies, divides, the remainder operation, the countdown operation，radicand, power calculation, the log and index calculation, the operation of sine function, cosine function, tangent function, cotangent function, arc sine function, arc cosine function , arc tangent function and arc co

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