https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14018517Edit ImageSaveSaveEditCropCustom TextA mathematician using dividers to draw geometrical shapes on a tablet. Engraving by N. Cavalli after G.B. Piazzetta.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 966 x 1200 px | 300 dpiLarge JPEG 2374 x 2949 px | 300 dpiFree DownloadA mathematician using dividers to draw geometrical shapes on a tablet. Engraving by N. Cavalli after G.B. Piazzetta.More