Signs, symbols & graphs
By: Arthur G. Razzell, K. G. O. Watts ; illustrated by Michael Shoebridge.
Contributors: Watts, K. G. O.; Shoebridge, Michael.
Series: Mathematical topics
Publisher: Hart-Davis Educational
Published: 1970
Place of publication: London
Language: eng
Number of pages: 32
Subjects: Graphic methods -- Juvenile literature.