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A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.
South African rand: R ZAR Cent: 100 Ethiopia: Ethiopian birr: Br ETB Santim: 100 Falkland Islands: Falkland Islands pound £ FKP Penny: 100 Sterling £ GBP Penny: 100 Faroe Islands: Danish krone: kr DKK Øre: 100 Faroese króna: kr (none) Oyra: 100 Fiji: Fijian dollar $ FJD Cent: 100 Finland: Euro € EUR Cent: 100 France: Euro € EUR Cent ...
In 1920, Treasury gold certificate notes were issued in denominations of £1, £5, £100, £1,000 and £10,000, in Afrikaans and English script. From 1921, the South African Reserve Bank took over the issuance of paper money, introducing notes for 10/–, £1, £5, £20 and £100. £20 notes were last issued in 1933, with £10 notes added in 1943.
It replaced the South African pound as legal tender, at the rate of 2 rand to 1 pound, or 10 shillings to the rand. The government introduced a mascot, Decimal Dan, "the rand-cent man" (known in Afrikaans as Daan Desimaal). [4] This was accompanied by a radio jingle to inform the public about the new currency. [5]
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In addition, two bullion coins with denominations of 1 rand and 2 rand were issued, replacing the gold half-pound and pound coins introduced in 1952. Both the pound and the rand gold coins matched the specifications of the British half-sovereign and sovereign (minted, among others, at the Pretoria branch mint until 1932), including the gold ...
In 1923, South Africa began to issue its own coins, adopting coins that were identical in size and value to those used in Great Britain: 12 pence (12d) = 1 shilling (1s), and 20s = 1 pound (£1). On 14 February 1961, the Union of South Africa adopted a decimal currency, replacing the pound with the Rand.
All of the logic functions of a calculator had been squeezed into the first "calculator on a chip" integrated circuits (ICs) in 1971, but this was leading edge technology of the time and yields were low and costs were high. Many calculators continued to use two or more ICs, especially the scientific and the programmable ones, into the late 1970s.