var fDesc=new Array();
fDesc[0] = "Scientific Calculator Decimal is programmed in C# and is similar to Scientific Calculator from Math Center Level 2 except that all calculations are done in decimal data type instead of double. Each calculator has its own advantages. Data type double can operate numbers with large exponent and decimal data type has twice longer mantissa. That is double has about 14-15 digits and decimal has 28-30 digits.";

function tShowHide(id, show)
{
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	{
		s.innerHTML = fDesc[id];
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		if (document.getElementById('m2'))
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		if (document.getElementById('more_txt'))
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	{
		s.innerHTML = '';
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}