Mainn.java

@@ -1,155 +0,0 @@
-package test;
-import java.util.Arrays;
-import java.util.Scanner;
-import java.util.*;
-class power{
-
-public static int factorial(int n){
-		int factorial=1;
-		int counter=1;
-		while (counter<1+n){
-			factorial*=counter+1;
-			counter++;
-		}
-		return factorial;
-	}	
-public static double ex(int n,int x){
-	double ex=1.0;
-	int counter=1;
-	while (counter<=n){
-		ex+=(double)Math.pow(x,counter)/factorial(counter);
-		counter++;
-	}
-	return ex;
-}	
-
-
-
-}
-
-class b {
-    public static void main(String[] args) {
-    	int a;
-    	int x;
-    	double result;
-    	System.out.println("输入底数a(a>0且a！=1):");
-    	Scanner sc = new Scanner(System.in);
-    	a=sc.nextInt();		
-    	System.out.println("输入真数x:");
-    	x=sc.nextInt();		
-        result = log(x, a);
-        System.out.println(result);
-    }
- 
-    public static double log(double value, double base) {
-        return Math.log10(value) / Math.log10(base);
-    }
-}
-class CALC{
-	public static void main(String args[]){
-		double x;
-		double y;
-		String z;
-		Scanner sc=new Scanner(System.in);
-		System.out.println("输入第一个数：");
-		x=sc.nextDouble();
-		System.out.println("输入运算符：");
-		z=sc.next();
-		System.out.println("输入第二个数：");
-		y=sc.nextDouble();
-		System.out.print("结果是：");
-		switch(z){
-		case"+":System.out.println(x+y);
-			break;
-		case"-":System.out.println(x-y);
-			break;
-		case"*":System.out.println(x*y);
-			break;
-		case"/":System.out.println(x/y);
-			break;
-		}
-	}
-}
-
-class d {
-	String s;
-	double x;
-	public d(String s,double x)
-	{
-		this.s=s;
-		this.x=x;
-	}
-	public  double sanjiao()
-	{
-		if (s.equals("sin")) return sin(x);
-		else if (s.equals("cos")) return cos(x);
-		else if (s.equals("tan")) return tan(x);
-		else if (s.equals("asin")) return asin(x);
-		else if (s.equals("acos")) return acos(x);
-		else if (s.equals("atan")) return atan(x);
-		else return Double.POSITIVE_INFINITY;
-	}
-	private double sin(double x) {return Math.sin(x);}
-	private double cos(double x) {return Math.cos(x);}
-	private double tan(double x) {return Math.tan(x);}
-	private double asin(double x) {return Math.asin(x);}
-	private double acos(double x) {return Math.acos(x);}
-	private double atan(double x) {return Math.atan(x);}
-}
-public class Main {
-
-	public static void main(String[] args) {
-		// TODO Auto-generated method stub
-		Scanner s=new Scanner(System.in);
-		System.out.println("1 for e^x\n2 for logax\n3 for +-*/\n4 for 三角函数");
-		int calnum=s.nextInt();//选择数字决定进行哪种运算
-		if(calnum ==1){
-			System.out.println("type x:");
-			Scanner x=new Scanner(System.in);
-			System.out.println("result:"+power.ex(1, x.nextInt()));
-		}
-		if(calnum==2) {
-			int a,x;
-			System.out.println("type a:");
-			Scanner sc=new Scanner(System.in);
-			a=sc.nextInt();
-			System.out.println("type x:");
-			x=sc.nextInt();
-			System.out.println("result:"+b.log(x,a));
-		}
-		if(calnum==3) {
-			double x;
-			double y;
-			String z;
-			Scanner sc=new Scanner(System.in);
-			System.out.println("type the first number：");
-			x=sc.nextDouble();
-			System.out.println("type calculation symbol：");
-			z=sc.next();
-			System.out.println("type the second number：");
-			y=sc.nextDouble();
-			System.out.print("result：");
-			switch(z){
-			case"+":System.out.println(x+y);
-				break;
-			case"-":System.out.println(x-y);
-				break;
-			case"*":System.out.println(x*y);
-				break;
-			case"/":System.out.println(x/y);
-				break;
-		}
-	}
-		if(calnum==4) {
-			System.out.println("choose sin,cos,tan,asin,acos or atan");
-			String ss;double x;
-			Scanner sc=new Scanner(System.in);
-			ss=sc.nextLine();
-			System.out.print("type x:");
-			x=sc.nextDouble();
-			d ch=new d(ss,x);
-			System.out.print("result："+ch.sanjiao());
-		}
-		}
-
-}

a.java

@@ -1,25 +0,0 @@
-package eµÄx´Î·½;
-public class power{
-
-public static int factorial(int n){
-		int factorial=1;
-		int counter=1;
-		while (counter<1+n){
-			factorial*=counter+1;
-			counter++;
-		}
-		return factorial;
-	}	
-public static double ex(int n,int x){
-	double ex=1.0;
-	int counter=1;
-	while (counter<=n){
-		ex+=(double)Math.pow(x,counter)/factorial(counter);
-		counter++;
-	}
-	return ex;
-}	
-
-
-
-}

b.java

@@ -1,20 +0,0 @@
-//package log;
-import java.util.Scanner;
-public class b {
-    public static void main(String[] args) {
-    	int a;
-    	int x;
-    	double result;
-    	System.out.println("输入底数a(a>0且a！=1):");
-    	Scanner sc = new Scanner(System.in);
-    	a=sc.nextInt();		
-    	System.out.println("输入真数x:");
-    	x=sc.nextInt();		
-        result = log(x, a);
-        System.out.println(result);
-    }
- 
-    private static double log(double value, double base) {
-        return Math.log10(value) / Math.log10(base);
-    }
-}

c.java

@@ -1,26 +0,0 @@
-import java.util.Scanner;
-public class CALC{
-	public static void main(String args[]){
-		double x;
-		double y;
-		String z;
-		Scanner sc=new Scanner(System.in)
-		System.out.println("输入第一个数：");
-		x=sc.nextDouble();
-		System.out.println("输入运算符：");
-		z=sc.next();
-		System.out.println("输入第二个数：");
-		y=sc.nextDouble();
-		System.out.print("结果是：");
-		switch(z){
-		case"+":System.out.println(x+y);
-			break;
-		case"-":System.out.println(x-y);
-			break;
-		case"*":System.out.println(x*y);
-			break;
-		case"/":System.out.println(x/y);
-			break;
-		}
-	}
-}