Harry Potter and the Philosopher's Stone

by J. K. Rowling

Pan ddeffrodd Mr a Mrs Dursley ar y bore Mawrth tamp, llwyd hwnnw lle mae ein stori ni'n dechrau, doedd dim byd yn yr aw...

A Christmas Carol

by Charles Dickens, Groth

MARLEY WAS DEAD, to begin with.

Numbers: rational and irrational

by Ivan Morton Niven

Numbers

by Niven

Numbers

by Mary Kitt-Neel

Moriæ Encomium

by Desiderius Erasmus

During my recent journey back from Italy to England, not wishing to waste all the time I was obliged to be on horseback ...

Calculus, Early Transcendentals

by James Stewart

KS2 maths SAT buster

by Ceara Hayden

Algebra 1

by Ron Larson

Zero

by Charles Seife

The story of zero is an ancient one.

Structure and Interpretation of Computer Programs (SICP)

by Harold Abelson, Gerald Jay Sussman

A Course of Pure Mathematics

by G. H. Hardy

1. Rational numbers.

Rational numbers

by H. L. Hix

Rational Numbers

by Core Knowledge Foundation

Number System : Rational Numbers

by hand2mind

Rational Numbers

by Maria Miller

Mathematics Class VIII

by R.D. Sharma

Rational numbers

by Thomas P. Carpenter, Elizabeth Fennema

Rational numbers

by James, Martin

Rational Numbers