www.ScriptJavascript.fr.gd - calculadora6

calculadora6

Calculadora sencilla,con uso de teclado

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Calculadora sencilla,con uso de teclado

`Notas : Con esta calculadora,puedes usar el teclado,para escribir los numéros,y efectuar las operaciones "+","-","*","/"..,y incluso usar "enter" como "="`

Introduzca este código entre las etiquetas <head> de HTML

<script type="text/javascript">
<!--
function verification(entree) {
  var seulement_ceci ="0123456789[]()-+*%/.";
  for (var i = 0; i < entree.length; i++)
   if (seulement_ceci.indexOf(entree.charAt(i))<0 )
return false;

return true;
 }

function resultat() {
   var x = 0;
  if (verification(document.calculatrice.affiche.value))
     x = eval(document.calculatrice.affiche.value);
   document.calculatrice.affiche.value = x;
 }

function ajouter(caracteres) {
   document.calculatrice.affiche.value =
   document.calculatrice.affiche.value + caracteres;
 }

function fonction_speciale(fonction) {
   if (verification(document.calculatrice.affiche.value)) {
     if(fonction == "sqrt") {
       var x = 0;
     x = eval(document.calculatrice.affiche.value);
     document.calculatrice.affiche.value = Math.sqrt(x);
   }
   if(fonction == "pow") {
     var x = 0;
     x = eval(document.calculatrice.affiche.value);
     document.calculatrice.affiche.value = x * x;
   }
   if(fonction == "log") {
     var x = 0;
     x = eval(document.calculatrice.affiche.value);
     document.calculatrice.affiche.value = Math.log(x);
   }
  } else document.calculatrice.affiche.value = 0
}
//-->
</script>

Introduzca este código entre las etiquetas <body> de HTML

<form action="" onSubmit="resultat();return false;" name="calculatrice">
                <table cellspacing="0" cellpadding="10" border="5">
                    <tbody>
                        <tr>
                            <td bgcolor="#c00000"><input class="affiche" align="right" name="affiche" type="text" /></td>
                        </tr>
                        <tr>
                            <td bgcolor="#c00000">
                            <table cellspacing="2" cellpadding="0" border="0">
                                <tbody>
                                    <tr>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('7')" value="  7   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('8')" value="  8   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('9')" value="  9   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('+')" value="  +   " /></td>
                                    </tr>
                                    <tr>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('4')" value="  4   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('5')" value="  5   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('6')" value="  6   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('-')" value="  -   " /></td>
                                    </tr>
                                    <tr>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('1')" value="  1   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('2')" value="  2   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('3')" value="  3   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('*')" value="  *   " /></td>
                                    </tr>
                                    <tr>
                                        <td><input class="button" type="button" width="60" onClick="resultat()" value="  =   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('0')" value="  0   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('.')" value="  .   " /></td>
                                        <td><input class="button" type="button" width="60" onClick="ajouter('/')" value="  /   " /></td>
                                    </tr>
                                    <tr>
                                        <td><input class="button" type="button" width="60" onClick="fonction_speciale('sqrt')" value="sqrt " /></td>
                                        <td><input class="button" type="button" width="60" onClick="fonction_speciale('pow')" value=" pow " /></td>
                                        <td><input class="button" type="button" width="60" onClick="fonction_speciale('log')" value=" log " /></td>
                                        <td><input class="button" type="reset" width="60" value="  C  " /></td>
                                    </tr>
                                </tbody>
                            </table>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </form>

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