SF Square Root SF Square Root Bold ver 1.0; 2000. Freeware for non-commercial use. SFSquareRoot-Bold SF Square Root Bold is a trademark of the ShyFonts Type Foundry. ShyFonts Type Foundry ShyFonts Type Foundry SF Square Root Bold is a trademark of the ShyFonts Type Foundry. http://www.shyfonts.com http://www.shyfonts.com SF Square Root Bold.ttf