… but I will not use Microsoft Excel to run a bank or to compute the trajectory of the space shuttle Does the author realize that Excel is not used to run bank

… but I will not use Microsoft Excel to run a bank or to compute the trajectory of the space shuttle Does the author realize that Excel is not used to run banks or to track the space shuttle? Sure, some traders might base their models on Excel. But, the actual exchanges, trade routing and account general ledgers are all on very tightly controlled systems, usually mainframes in the case of ledgers. To boot, NASA does not use a VBA Excel plugin to schedule burns and execute reentry. (Excel 2007 won't even run on a 8086 chips)