for name, grade in grades {
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Pointer arithmetic for tile addresses
For this reason, the most sophisticated, information-dense organisations were often the ones with the most administrative staff. As NASA prepared to launch the Apollo missions in the mid-1960s, 15% to 18% of its civil service workforce was classified as “clerical and administrative support”. There were the human “computers” made famous by Hidden Figures, but also technical typists, who typed up mathematical equations. As one of those typists, Estella Gillette, later put it: “The engineers depended on us for everything that wasn’t their job. We were their support system.”