coru spain 2020 casio scientific calculator over bright yellow background |
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| navigate by keyword : algebra arithmetic basic black buttons calculate calculating calculus clipping college count digit digital display divide editorial education engineering equation gear graphing homework industrial industry machine mathematic minus multiplication multiply number object path plus pocket project rounded school scientific square subtract subtraction summing trig tuition white |
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| LA CORUÃâA, SPAIN - 12-02-2020. A Casio scientific calculator is over a bright yellow background. Science and maths concept |
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