Practise your calculator skills
By: Nigel Langdon ; edited by Helen Davies ; illustrated by Naomi Reed ... (et al.).
Contributors: Davies, Helen, 1954-; Reed, Naomi.
Series: Usborne exercise books
Publisher: Usborne
Published: 1983
Place of publication: London
Language: eng
Number of pages: 48
Subjects: Calculating-machines -- Problems, exercises, etc.
Notes: Includes index.