39 lines
1013 B
HTML
39 lines
1013 B
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>math.js | basic usage</title>
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<script src="../../lib/browser/math.js"></script>
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</head>
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<body>
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<script>
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function print(value) {
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const precision = 14
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document.write(math.format(value, precision) + '<br>')
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}
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// functions and constants
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print(math.round(math.e, 3)) // 2.718
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print(math.atan2(3, -3) / math.pi) // 0.75
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print(math.log(10000, 10)) // 4
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print(math.sqrt(-4)) // 2i
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print(math.pow([[-1, 2], [3, 1]], 2)) // [[7, 0], [0, 7]]
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print(math.derivative('x^2 + x', 'x')) // 2 * x + 1
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// expressions
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print(math.evaluate('12 / (2.3 + 0.7)')) // 4
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print(math.evaluate('12.7 cm to inch')) // 5 inch
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print(math.evaluate('9 / 3 + 2i')) // 3 + 2i
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print(math.evaluate('det([-1, 2; 3, 1])')) // -7
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// chained operations
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const a = math.chain(3)
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.add(4)
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.multiply(2)
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.done()
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print(a) // 14
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</script>
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</body>
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</html> |