<html><head><title>HTML Калькулятор</title></head><body bgcolor="#FFFFB0" text="red">
<form name="calculator">
КАЛЬКУЛЯТОР V.00.1
<input type="button" value="1" onclick="document.calculator.ans.value+='1'"><input type="button" value="2" onclick="document.calculator.ans.value+='2'"><input type="button" value="3" onclick="document.calculator.ans.value+='3'">
<input type="button" value="4" onclick="document.calculator.ans.value+='4'"><input type="button" value="5" onclick="document.calculator.ans.value+='5'"><input type="button" value="6" onclick="document.calculator.ans.value+='6'">
<input type="button" value="7" onclick="document.calculator.ans.value+='7'"><input type="button" value="8" onclick="document.calculator.ans.value+='8'"><input type="button" value="9" onclick="document.calculator.ans.value+='9'">
<input type="button" value="+" onclick="document.calculator.ans.value+='+'"><input type="button" value="0" onclick="document.calculator.ans.value+='0'"><input type="button" value="-" onclick="document.calculator.ans.value+='-'">
<input type="button" value="/" onclick="document.calculator.ans.value+='/'"><input type="button" value="*" onclick="document.calculator.ans.value+='*'">
<input type="button" value="=" onclick="document.calculator.ans.value=eval(document.calculator.ans.value)"><input type="textfield" name="ans" value="">
<input type="reset" value="Сброс">
</form>
</body>
</html>
<form name="calculator">
КАЛЬКУЛЯТОР V.00.1
<input type="button" value="1" onclick="document.calculator.ans.value+='1'"><input type="button" value="2" onclick="document.calculator.ans.value+='2'"><input type="button" value="3" onclick="document.calculator.ans.value+='3'">
<input type="button" value="4" onclick="document.calculator.ans.value+='4'"><input type="button" value="5" onclick="document.calculator.ans.value+='5'"><input type="button" value="6" onclick="document.calculator.ans.value+='6'">
<input type="button" value="7" onclick="document.calculator.ans.value+='7'"><input type="button" value="8" onclick="document.calculator.ans.value+='8'"><input type="button" value="9" onclick="document.calculator.ans.value+='9'">
<input type="button" value="+" onclick="document.calculator.ans.value+='+'"><input type="button" value="0" onclick="document.calculator.ans.value+='0'"><input type="button" value="-" onclick="document.calculator.ans.value+='-'">
<input type="button" value="/" onclick="document.calculator.ans.value+='/'"><input type="button" value="*" onclick="document.calculator.ans.value+='*'">
<input type="button" value="=" onclick="document.calculator.ans.value=eval(document.calculator.ans.value)"><input type="textfield" name="ans" value="">
<input type="reset" value="Сброс">
</form>
</body>
</html>
