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Demo : Tudományos calculátor2

Kód: Head része

</SCRIPT>

Head részbe másold .

Kód: Body része

<center><form>
<input name="display" value="0" size=25>
    <br>
<input type="button" value="   exp  " onClick="if (checkNum(this.form.display.value))
{ exp(this.form) }">
<input type="button" value="    7    " onClick="addChar(this.form.display, '7')">
<input type="button" value="    8    " onClick="addChar(this.form.display, '8')">
<input type="button" value="    9    " onClick="addChar(this.form.display, '9')">
<input type="button" value="    /    " onClick="addChar(this.form.display, '/')">
<br>
<input type="button" value="    ln    " onClick="if (checkNum(this.form.display.value))
{ ln(this.form) }">
<input type="button" value="    4    " onClick="addChar(this.form.display, '4')">
<input type="button" value="    5    " onClick="addChar(this.form.display, '5')">
<input type="button" value="    6    " onClick="addChar(this.form.display, '6')">
<input type="button" value="    *    " onClick="addChar(this.form.display, '*')">
<br>
<input type="button" value="    sqrt " onClick="if (checkNum(this.form.display.value))
{ sqrt(this.form) }">
<input type="button" value="    1    " onClick="addChar(this.form.display, '1')">
<input type="button" value="    2    " onClick="addChar(this.form.display, '2')">
<input type="button" value="    3    " onClick="addChar(this.form.display, '3')">
<input type="button" value="    -     " onClick="addChar(this.form.display, '-')">
<br>
<input type="button" value="    sq   " onClick="if (checkNum(this.form.display.value))
{ square(this.form) }">
<input type="button" value="   0     " onClick="addChar(this.form.display, '0')">
<input type="button" value="    .    " onClick="addChar(this.form.display, '.')">
<input type="button" value="   +/-   " onClick="changeSign(this.form.display)">
<input type="button" value="    +    " onClick="addChar(this.form.display, '+')">
<br>
<input type="button" value="    (    " onClick="addChar(this.form.display, '(')">
<input type="button" value="   cos   " onClick="if (checkNum(this.form.display.value))
{ cos(this.form) }">
<input type="button" value="   sin   " onClick="if (checkNum(this.form.display.value))
{ sin(this.form) }">
<input type="button" value="   tan   " onClick="if (checkNum(this.form.display.value))
{ tan(this.form) }">
<input type="button" value="    )    " onClick="addChar(this.form.display, ')')">
<br>
<input type="button" value="  Clear  " onClick="this.form.display.value = 0 ">
<input type="button" value=" Back Space  " onClick="deleteChar(this.form.display)">
<input type="button" value="   Enter    " name="enter" onClick="if (checkNum(this.form.display.value))
{ compute(this.form) }">
</FORM>

Body részbe másold ahol szeretnéd, hogy megjelenjen .