A Hewlett Packard HP11C calculator and a scale rule inscribed Institution of Civil Engineers London on a white background

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Size: 4850px × 3638px
Location: cleveland england GB UK
Photo credit: © Peter Jordan / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 11c, calculate, calculator, civil, complex, compute, engineering, engineers, hewlett, hp, ice, mathmaticalinstitution, mathmatics, measure, notation, packard, pjphoto59, polish, reverse, rpn, rule, scale, science, scientific, technology