Arithmetic, Mental

Mental arithmetic

by J.A. McLellan.

Mental arithmetic

[series concept by Brian Knapp and Duncan McCrae ; text contributed by Brian Knapp and Colin Bass].

New mental arithmetic

by John Duncan.

Computational alternatives for the twenty-first century: cross-cultural perspectives from Japan and the United States

edited by Robert E. Reys and Nobuhiko Nohda ; with assistance by Katsuhiko Shimizu and Dale Smith.

Check it again

J. Hulbert and W. Wiles. Answerbook.

New mental arithmetic, by John Duncan. (1st ed.), 7th and revised impression; revised by Helen Cline.

Duncan, John

O & B mentalarithmetic bank

H.P. Shannon. 2.

Nelson mental maths

J.G. Saunders.

Mental arithmetic: part 1

by Chas. G. Fraser.

Mental Math for Pilots (Professional Aviation series)

Ronald D. McElroy