Originally Posted by QuantumIguana
Well, you might not want to crack open a calculator that costs more than a dollar. But a more expensive calculator really isn't that much more complicated. There's just not that much that can fail. Calculators weren't always so reliable, as they got simpler, the became more reliable.
That is the point... these older calculators are actually way more complex, no single chip with everything on but despite this they just keep working...