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Taschenrechner

erstellt von Dr. Martin Loehnertz zuletzt verändert: 25.11.2015 12:44
Javascriptbasierter Taschenrechner fürs Tablet

HTML icon calc.html — HTML, 10 KB (11069 bytes)

Dateiinhalt

<!DOCTYPE HTML>

<HTML>
<HEAD>
<STYLE>
.Bruch{	
	float:right;
	}

#NUMPAD {font-size:250%}
#OUT {font-size:200%;position:relative;Border:solid;width:50%;text-align:right;height:75px;padding:10px;}
input {width:100%;font-size:200%}
#Basic {font-size:150%}
#Clear {font-size:200%

</STYLE>

<SCRIPT>

var stack,mtop,topnum;


function ggt(a,b)
{
	if (a==0 || b==0){return 1;}
	if (a>b) {
		if (a%b==0){return b;}
			else
			{
				return(ggt(b,a%b));
			}
		} 
	else {return(ggt(b,a));}
}
function meval(l,op,r)
{
	
	var g;
	res=new mynum(0);
	res.mode=l.mode|r.mode; 	
		if (op=="+")
		{
		
			res.zaehl=l.zaehl*r.nenn+r.zaehl*l.nenn;
			res.nenn=l.nenn*r.nenn;
		}
		if (op=="-")
		{
			res.zaehl=l.zaehl*r.nenn-r.zaehl*l.nenn;
			res.nenn=l.nenn*r.nenn;
		}
		if (op=="*")
		{
			res.zaehl=l.zaehl*r.zaehl;
			res.nenn=l.nenn*r.nenn;
			
		}
		if (op=="/")
		{
			res.zaehl=l.zaehl*r.nenn;
			res.nenn=l.nenn*r.zaehl;
			
		}
		if (op=="^")
		{
			if(l.mode==0 && r.mode==0 && r.nenn==1)
			{
				res.zaehl=Math.pow(l.zaehl,r.zaehl);
				res.nenn=Math.pow(l.nenn,r.zaehl);	
			}
			else
			{
				res.zaehl=10*Math.pow((l.zaehl/l.nenn),(r.zaehl/r.nenn));
				res.nenn=10;
				res.mode=1;
			}
		}
		if (res.mode==0 && res.nenn==Math.floor(res.nenn) && res.zaehl==Math.floor(res.zaehl))
		{
			g=ggt(Math.abs(res.zaehl),Math.abs(res.nenn))
			res.zaehl=res.zaehl/g;
			res.nenn=res.nenn/g;
		}
		while(res.nenn>100000){res.nenn/=10;res.zaehl/=10;}
		res.lock();
		
	
	
	return res;
}

function op(name,prec)
{
	this.type=1;
	this.name=name;
	this.prec=prec;
}

function mynum(st)
{
	this.type=0;
	this.zaehl=st;
	this.nenn=1;
	this.mode=0;
	var inmode=0;
	var frac=1;
	var sig="";

	this.print=function()
	{
		if ((this.nenn==0 && inmode!=1) || Math.log(Math.abs(this.zaehl))/Math.log(10)>16)
		{
			return "ERROR";
		}
		if (this.mode==1 && this.nenn!=0)
		{
			return("<DIV class=\"Zahl\">"+Math.floor(this.zaehl*1000000/this.nenn+0.5)/1000000+"</DIV>");	
		}
		else
		{
			if (this.nenn==1 || this.nenn==0)
			{
				return("<DIV class=\"Zahl\">"+this.zaehl+"</DIV>");
			}
			else
			{
				if (this.zaehl<0){sig="<DIV style=\"float:left;\">&nbsp;<hr solid style=\"padding:0px;margin:0px;width:100%\">&nbsp;</DIV>&nbsp;";}else{sig="";}
				return("<DIV class=\"Bruch\">"+sig+"<DIV style=\"text-align:center;float:right;\">"+Math.abs(this.zaehl)+"<HR solid style=\"padding:0px;margin:0px;width:100%\">"+Math.abs(this.nenn)+"</DIV></DIV>");
			}
		}
	}
	this.addnum=function(x)
	{
		if (inmode==0){this.zaehl=this.zaehl*10+x;}
		if (inmode==1){this.nenn=this.nenn*10+x;}
		if (inmode==2){this.nenn*=10; this.zaehl=this.zaehl*10+x;}
	}
	this.key=function(x)
	{
		if (x=="f" && inmode==0)
		{
			inmode=1;
			this.nenn=0;
		}
		if (x==".")
		{
			if (inmode!=3) {inmode=2;}
			this.mode=1;
			mupdate();
		}
	}
	this.lock=function()
	{
		inmode=3;	
	}
	this.clone=function(r)
	{
		this.zaehl=r.zaehl;
		this.nenn=r.nenn;
		this.mode=r.mode;
	}
}

function mclear()
{
	stack=Array();
	mtop=0;
	topnum=0;
	stack[0]=new mynum(0);
	mupdate();
}

function clearlast()
{
	mtop=topnum;
	stack[topnum].zaehl=0;
	stack[topnum].nenn=1;
	stack[topnum].mode=0;
	mupdate();
}

function num(x)
{
	if (stack[mtop].type==0 && mtop==topnum)
	{
		stack[mtop].addnum(x);
	}
	else
	{	
		mtop++;
		topnum=mtop;
		stack[mtop]=new mynum(0);
		stack[mtop].addnum(x);
	}
	mupdate();
}

function frac()
{
	if (stack[mtop].type==0 && mtop==topnum)
	{
		stack[mtop].key("f");
	}
	mupdate();
}

function mupdate()
{
	out=document.getElementById("OUT");
	out.innerHTML=stack[topnum].print();
}

function op1(x)
{
	var help;
	setsto=0;
	if (stack[mtop].type==0 && mtop==topnum)
	{
		switch(x)
		{
			case 1:{
				stack[mtop].zaehl*=-1;
				break;
			}
			case 2:
			{	
				help=Math.sin((Math.PI*stack[mtop].zaehl)/(stack[mtop].nenn*180));
				stack[mtop].zaehl=help*10000;
				stack[mtop].nenn=10000;
				stack[mtop].mode=1;
				break;
			}
			case 3:
			{	
				help=Math.cos((Math.PI*stack[mtop].zaehl)/(stack[mtop].nenn*180));
				stack[mtop].zaehl=help*10000;
				stack[mtop].nenn=10000;
				stack[mtop].mode=1;
				break;
			}
			case 4:
			{	
				help=Math.tan((Math.PI*stack[mtop].zaehl)/(stack[mtop].nenn*180));
				stack[mtop].zaehl=help*10;
				stack[mtop].nenn=10;
				stack[mtop].mode=1;
				break;
			}
			case 5:
			{	
				help=Math.asin(stack[mtop].zaehl/stack[mtop].nenn)*180/Math.PI;
				stack[mtop].zaehl=help*1000;
				stack[mtop].nenn=1000;
				stack[mtop].mode=1;
				break;
			}
			case 6:
			{	
				help=Math.acos(stack[mtop].zaehl/stack[mtop].nenn)*180/Math.PI;
				stack[mtop].zaehl=help*1000;
				stack[mtop].nenn=1000;
				stack[mtop].mode=1;
				break;
			}
			case 7:
			{	
				help=Math.atan(stack[mtop].zaehl/stack[mtop].nenn)*180/Math.PI;
				stack[mtop].zaehl=help*1000;
				stack[mtop].nenn=1000;
				stack[mtop].mode=1;
				break;
			}
			case 8:
			{	
				help=Math.log(stack[mtop].zaehl/stack[mtop].nenn)/Math.log(10);
				stack[mtop].zaehl=help*1000;
				stack[mtop].nenn=1000;
				stack[mtop].mode=1;
				break;
			}
			case 9:
			{	
				help=Math.log(stack[mtop].zaehl/stack[mtop].nenn);
				stack[mtop].zaehl=help*1000;
				stack[mtop].nenn=1000;
				stack[mtop].mode=1;
				break;
			}
			case 10:
			{	
				help=Math.exp(stack[mtop].zaehl/stack[mtop].nenn);
				stack[mtop].zaehl=help*10;
				stack[mtop].nenn=10;
				stack[mtop].mode=1;
				break;
			}
			case 11:
			{	
				help=Math.sqrt(stack[mtop].zaehl/stack[mtop].nenn);
				stack[mtop].zaehl=help*10;
				stack[mtop].nenn=10;
				stack[mtop].mode=1;
				break;
			}
			case 12:
			{	
				help=Math.sign(stack[mtop].zaehl)*stack[mtop].nenn;
				stack[mtop].nenn=Math.abs(stack[mtop].zaehl);
				stack[mtop].zaehl=help;
				break;
			}

		}
		stack[mtop].lock();		
	}
	mupdate();
}

function lb()
{
	mtop++;
	stack[mtop]=new Object;
	stack[mtop].type=3;
}

function rb()
{
	if (mtop>=0 && stack[mtop].type==3)
	{
		mtop--;
		return;
	}
	while (mtop>=2 && stack[mtop].type==0 && stack[mtop-1].type==1 && stack[mtop-2].type==0)
		{
			stack[mtop-2]=meval(stack[mtop-2],stack[mtop-1].name,stack[mtop]);
			mtop-=2;
			topnum-=2;	
		}
	if (mtop>0 && stack[mtop-1].type==3)
	{
		stack[mtop-1]=stack[mtop];
		mtop--;
		topnum=mtop;
	}
	mupdate();

	
}

function op2(x)
{
	setsto=0;
	if (stack[mtop].type==0)
	{
		stack[mtop].lock();
		while (mtop>=2 && stack[mtop].type==0 && stack[mtop-1].type==1 && stack[mtop-1].prec>=opt[x].prec && stack[mtop-2].type==0)
		{
			stack[mtop-2]=meval(stack[mtop-2],stack[mtop-1].name,stack[mtop]);
			mtop-=2;
			topnum-=2;	
		}

		
		if(x!=0)
		{
			mtop=mtop+1;
			stack[mtop]=new op(opt[x].name,opt[x].prec);
		}
	}
	else
	{
		while (mtop>=3 && stack[mtop-1].type==0 && stack[mtop-2].type==1 && stack[mtop-2].prec>=opt[x].prec && stack[mtop-3].type==0)
		{
			stack[mtop-3]=meval(stack[mtop-3],stack[mtop-2].name,stack[mtop-1]);
			mtop-=2;
			topnum-=2;	
		}
		if(x!=0)
		{
			stack[mtop]=new op(opt[x].name,opt[x].prec);
		}
		else
		{
			mtop--;
			op2(0);
		}	
	}
	mupdate();
		
}

function dot()
{	
	if (stack[mtop].type==0 && mtop==topnum)
	{
		stack[mtop].key(".");
	}
	else
	{
		mtop++;
		topnum=mtop;
		stack[mtop]=new mynum(0);
		stack[mtop].key(".");
	}
	mupdate();
}

function nopt(x,y)
{
	this.name=x;
	this.prec=y;
}

function togglesto()
{
	setsto=1;
}

function sto(x)
{
	if (setsto==1)
	{
		stor[x].clone(stack[topnum]);
		setsto=0;
	}
	else
	{	
		if (mtop!=topnum)
		{
			mtop++;
			stack[mtop]=new mynum(0);
			topnum=mtop;
		}	
		stack[topnum].clone(stor[x]);
		mupdate();
	}
}

</SCRIPT>

</HEAD>

<BODY>
<H2> WilliCalc </H2>
<DIV ID="OUT">gg</DIV>
<DIV ID="NUMPAD" style="float:left">
<TABLE>
<TR><TD><INPUT TYPE="BUTTON" VALUE=7 onClick="num(7)"></TD><TD><INPUT TYPE="BUTTON" VALUE=8 onClick="num(8)"></TD><TD><INPUT TYPE="BUTTON" VALUE=9 onClick="num(9)"></TD></TD><TD><INPUT TYPE="BUTTON" VALUE="B" onClick="frac()"></TD></TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE=4 onClick="num(4)"></TD><TD><INPUT TYPE="BUTTON" VALUE=5 onClick="num(5)"></TD><TD><INPUT TYPE="BUTTON" VALUE=6 onClick="num(6)"></TD></TD><TD><INPUT TYPE="BUTTON" VALUE="." onClick="dot()"></TD></TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE=1 onClick="num(1)"></TD><TD><INPUT TYPE="BUTTON" VALUE=2 onClick="num(2)"></TD><TD><INPUT TYPE="BUTTON" VALUE=3 onClick="num(3)"></TD></TD><TD><INPUT TYPE="BUTTON" VALUE=0 onClick="num(0)"></TD></TR>
</TABLE>
</DIV>
<DIV ID="Basic" style="float:left">
<TABLE>
<TR><TD><INPUT TYPE="BUTTON" VALUE="+/-" onClick="op1(1)"></TD><TD><INPUT TYPE="BUTTON" VALUE="CE" onClick="clearlast()"></TD></TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE="*" onClick="op2(3)"></TD><TD><INPUT TYPE="BUTTON" VALUE="/" onClick="op2(4)"></TD></TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE="+" onClick="op2(1)"></TD><TD><INPUT TYPE="BUTTON" VALUE="  -  " onClick="op2(2)"></TD></TR>

<TR><TD><INPUT TYPE="BUTTON" VALUE="(" onClick="lb()"></TD><TD><INPUT TYPE="BUTTON" VALUE=")" onClick="rb()"></TD></TR>
</TABLE>
</DIV>
<DIV ID="Clear" style="float:left">
<TABLE>
<TR><TD><INPUT TYPE="BUTTON" VALUE="C" onClick="mclear()"></TD></TR>
<TR style="height:100px"></TR>
<TR> <TD><INPUT TYPE="BUTTON"  VALUE="  =  " onClick="op2(0)"></TD> </TR>
</TABLE>
</DIV>
<DIV ID="Functions" style="float:left">
<TABLE>
<TR><TD><INPUT TYPE="BUTTON" VALUE="sin" onClick="op1(2)"></TD><TD><INPUT TYPE="BUTTON" VALUE="cos" onClick="op1(3)"></TD><TD><INPUT TYPE="BUTTON" VALUE="tan" onClick="op1(4)"></TD</TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE="asin" onClick="op1(5)"></TD><TD><INPUT TYPE="BUTTON" VALUE="acos" onClick="op1(6)"></TD><TD><INPUT TYPE="BUTTON" VALUE="atan" onClick="op1(7)"></TD</TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE="log" onClick="op1(8)"></TD><TD><INPUT TYPE="BUTTON" VALUE="ln" onClick="op1(9)"></TD><TD><INPUT TYPE="BUTTON" VALUE="e^x" onClick="op1(10)"></TD></TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE="sqr" onClick="op1(11)"><TD><INPUT TYPE="BUTTON" VALUE="1/x" onClick="op1(12)"></TD></TD><TD><INPUT TYPE="BUTTON" VALUE="x^y" onClick="op2(5)"></TD></TR>
</TABLE>
</DIV>

<DIV ID="Mem" style="float:left">
<TABLE>
<TR><TD><INPUT TYPE="BUTTON" VALUE="A" onClick="sto(0)"></TD></TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE="B" onClick="sto(1)"></TD></TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE="C" onClick="sto(2)"></TD></TR>
<TR><TD><INPUT TYPE="BUTTON" VALUE="STO" onClick="togglesto()"></TD></TR>
</TABLE>

<script>
setsto=0;
opt=Array();
opt[0]=new nopt("=",0)
opt[1]=new nopt("+",2)
opt[2]=new nopt("-",2)
opt[3]=new nopt("*",4)
opt[4]=new nopt("/",4)
opt[5]=new nopt("^",6)
stor=Array();
stor[0]=new mynum(0);
stor[1]=new mynum(0);
stor[2]=new mynum(0);

mclear();
</script>
</BODY>

</HTML>
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