function a_plus_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=a+b
form.ans.value = c
}
function a_minus_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=a-b
form.ans.value=c
}
function a_times_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=a*b
form.ans.value=c
}
function a_div_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=a/b
form.ans.value = c
}
function a_pow_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=Math.pow(a, b)
form.ans.value = c
}
document.write('<center><font color="#ff00ff">M</font><font color="#ff00cc">a</font><font color="#ff0099">s</font><font color="#ff0066">u</font><font color="#ff0033">k</font><font color="#ff0000">k</font><font color="#ff3300">a</font><font color="#ff6600">n </font><font color="#ff9900">a</font><font color="#ffcc00">n</font><font color="#ffff00">g</font><font color="#ccff00">k</font><font color="#99ff00">a </font><font color="#66ff00">:</font><br/><FORM name="formx"><input type=text size=4 value=15 name="a"><br/><input type="button" value="  +  " onClick="a_plus_b(this.form)"><input type="button" value="  -  " onClick="a_minus_b(this.form)"><input type="button" value="  x  " onClick="a_times_b(this.form)"><input type="button" value="  /  " onClick="a_div_b(this.form)"><br/><input type="button" value="  ^  " onClick="a_pow_b(this.form)"><br/><font color="#ff00ff">M</font><font color="#ff00cc">a</font><font color="#ff0099">s</font><font color="#ff0066">u</font><font color="#ff0033">k</font><font color="#ff0000">k</font><font color="#ff3300">a</font><font color="#ff6600">n </font><font color="#ff9900">a</font><font color="#ffcc00">n</font><font color="#ffff00">g</font><font color="#ccff00">k</font><font color="#99ff00">a </font><font color="#66ff00">:</font><br/><input type="number" size=4 value=3 name="b"><br/><font color="#ff00ff">H</font><font color="#ff00cc">a</font><font color="#ff0099">s</font><font color="#ff0066">i</font><font color="#ff0033">l</font><font color="#ff0000">n</font><font color="#ff3300">y</font><font color="#ff6600">a </font><font color="#ff9900">:</font><br/><input type number" value=0 name="ans" size=9><br/><input type ="reset" value="Reset"></FORM></center>');
// end-->