Coins of the Maltese lira former banknote. In 1988 a new coat of arms was adopted showing a heraldic representation of the Maltese flag, a mural crown and a wreath of olive and palm trees. The coin series of 1991 depicted the new coat of arms, but the reverse side remained the same. This series remained in use until 2007, being withdrawn in January 2008 upon the introduction of the Euro. They were demonetised in 2010. Coins of the Maltese lira Coins of the Maltese lira have been struck from when Malta adopted decimal currency in 1972, to 2007, after which Malta adopted the euro.
Cocker's Decimal Arithmetick Cocker's Decimal Arithmetick Cocker's Decimal Arithmetick is a grammar school mathematics textbook written by Edward Cocker (1631–1676) and published posthumously by John Hawkins in 1684. "Decimal Arithmetick" along with companion volume, "Cocker's Arithmetick" published in 1677, were used in schools in the United Kingdom for more than 150 years. The concept of decimal fractions and the advantages of using them in calculations were well known, but a wide variety of different notations were in use. After surveying various notations, "Decimal Arithmetick" recommends the decimal point notation introduced by John Napier: "Decimal Arithmetick" gives instructions for calculations involving decimals, methods of