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              <p>Proje 3: Hesap Makinesi (Musa Tufan)<p>
</div>
<p>Selman abi selamlar,umarım beğenirsin😀
<div class="box">
<div class="display"><input type="text" readonly size="18" id="d"></div>
<div class="keys">
    <p><input type="button" class="button gray" 

    value="C" onclick='c("")'>
    <input type="button" class="button gray" 

    value="m-" onclick='c("")'>
    <input type="button" class="button gray" 
    value="m+" onclick='c("")'>
    <input type="button" class="button pink" 

    value="/" onclick='v("/")'></p>
    <p><input type="button" class="button black" 

    value="7" onclick='v("7")'><input type="button" 

    class="button black" value="8" onclick='v("8")'>
    <input type="button" class="button black" value="9" 

    onclick='v("9")'><input type="button" 

    class="button pink" value="*" onclick='v("*")'></p>
    <p><input type="button" class="button black" 

    value="4" onclick='v("4")'><input type="button" 

    class="button black" value="5" onclick='v("5")'>
    <input type="button" class="button black" value="6" 

    onclick='v("6")'><input type="button" 

    class="button pink" value="-" onclick='v("-")'></p>
    <p><input type="button" class="button black" 

    value="1" onclick='v("1")'><input type="button" 

    class="button black" value="2" onclick='v("2")'>
    <input type="button" class="button black" value="3" 

    onclick='v("3")'><input type="button" 

    class="button pink" value="+" onclick='v("+")'></p>
    <p><input type="button" class="button black" 

    value="0" onclick='v("0")'><input type="button" 

    class="button black" value="." onclick='v(".")'>
    <input type="button" class="button black" value="C" 

    onclick='c("")'><input type="button" 

    class="button orange" value="=" onclick='e()'></p>
</div>
</div>
            
          
!
            
              body
{
background-color:tan;
} 
.box
{
background-color:#3d4543;
height:325px;
width:250px;
border-radius:10px;
position:relative;
top:30px;
left:40%;
} 
.display
{
background-color:#none;
width:220px;
position:relative;
left:20px;
top:20px;
height:60px;
}
.display input
{
position:relative;
left:2px;
top:2px;
height:45px;
color:black;
background-color:#bccd95;
font-size:21px;
text-align:right;
} 
.keys
{
position:relative;
top:15px;
}
.button
{
width:40px;
height:30px;
border:none;
border-radius:8px;
margin-left:17px;
cursor:pointer;
border-top:2px solid transparent;
}
.button.black
{
color:white;
background-color:#6f6f6f;
border-bottom:black 2px solid;
border-top:2px #6f6f6f solid;
}
.button.pink
{
color:black;
background-color:#ff4561;
border-bottom:black 2px solid;
}
.button.black
{
color:white;
background-color:303030;
border-bottom:black 2px solid;
border-top:2px 303030 solid;
}
.button.orange
{
color:black;
background-color:FF9933;
border-bottom:black 2px solid;
border-top:2px FF9933 solid;
}
.gray:active
{
border-top:black 2px solid;
border-bottom:2px #6f6f6f solid;
}
.pink:active
{
border-top:black 2px solid;
border-bottom:#ff4561 2px solid;
}
.black:active
{
border-top:black 2px solid;
border-bottom:#303030 2px solid;
}
.orange:active
{
border-top:black 2px solid;
border-bottom:FF9933 2px solid;
}
p
{
line-height:10px;
}
            
          
!
            
              function c(val)
{
document.getElementById("d").value=val;
}
function v(val)
{
document.getElementById("d").value+=val;
}
function e() 
{ 
try 
{ 
  c(eval(document.getElementById("d").value)) 
} 
catch(e) 
{
  c('Error') 
} 
}  
            
          
!
999px
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