Who discovered plus and minus sign?
Anonymous:
i think its my maths teacher
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Answered by
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Robert Recorde
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1. Robert Recorde, the designer of the equals sign, introduced plus and minus to Britain in 1557.
2. But Johannes Widmann in 1489 has discovered the ( - ) sign.
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1. Robert Recorde, the designer of the equals sign, introduced plus and minus to Britain in 1557.
2. But Johannes Widmann in 1489 has discovered the ( - ) sign.
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Answered by
2
Robert Recorde, the designer of the equals sign, introduced plus and minus to Britain in 1557 in The Whetstone of Witte: "There be other 2 signes in often use of which the first is made thus + and betokeneth more: the other is thus made – and betokeneth lesse
.hope it's help's you dear..
.hope it's help's you dear..
thx
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