The avatar for @jerryjappinen
Jerry Jäppinen
Design, tech, engineering and science. Head of Design and User Research.
Public
Libraries
Edited
Apr 27
Importers
3 stars
1
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formatNumber(1234.123456789)
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formatCurrency(1234.123456789)
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roundCurrency(1234.123456789)
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randomFloat()
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randomIndex(['a', 'b', 'c', 'd'])
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randomValue(['a', 'b', 'c', 'd'])
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seededRandomFloat('2023-01-01')
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seededRandomIndex('2023-01-01', ['a', 'b', 'c', 'd'])
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seededRandomValue('2023-01-01', ['a', 'b', 'c', 'd'])
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shuffleSeeded(_.range(0, 10), new Date())
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plot([sin, cos], [-pi * 2, pi * 2])
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plot(
[
pow,
(x) => pow(x, 1.2),
(x) => pow(x, 1.4),
(x) => pow(x, 1.6),
root
],
[0, 20]
)
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plot('0.5x^2 + 4x +2')
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plot("0.75x^2 + 4x +2", [-3, 2])
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plot(["0.75x^2 + 4x +2", "x^2 + 3x + 2"], [-3, 2], true)
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fibonaccis(14)
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fibonacci(14)
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nextPrime(7)
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primes(10)
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primes(5, 100000)
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fitToFloat(25, 0, 75)
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fitToRange(0.5, 100, 200)
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min(2, 4, 8)
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max(2, 4, 8)
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abs(-90)
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abs(-90, 20, -20)
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round(2.1)
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roundDown(2.8)
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roundUp(2.2)
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roundTo(pi, 0.01)
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roundTo(82839, 1000)
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toDigit(123000, 1000)
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toDigit(0.0123456, 0.001)
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toDigit(0.0123456, 0.001, 2)
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toDigit(0.0123456, ten(-6), 0)
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_example_x * 0.2
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fix(_example_x * 0.2)
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fix = stabilizeNumber
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stabilizeNumber = (num) => {
// return parseFloat(num).toPrecision(12);
return roundTo(num, 0.00000000000001)
}
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pow(2)
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pow(3, 4)
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two(6)
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eight(4)
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ten(3)
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thousand = ten(3)
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million = ten(6)
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billion = ten(9)
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trillion = ten(12)
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root(4)
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root(81, 4)
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sum(1, 2, 3, 4)
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sums(1, 2, 3, 4)
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Σ = sigma
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sigma(1, 10, (i) => { return i * 2 })
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median(1, 2, 2, 2, 2, 9, 100)
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product(1, 2, 3, 4)
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log(10000, 10)
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log10(10000)
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ln(e)
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factorial(4)
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math.matrix([1, 2, 3, 4])
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root(math.matrix([[1, 2], [3, 4]]), 2).valueOf()
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pow(math.matrix([[1, 2], [3, 4]]), 2).valueOf()
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toDeg(pi)
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cos(pi)
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sin(pi / 2)
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cosDeg(180)
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sinDeg(90)
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magnitude([2, 4, 9])
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dot([0, 4, 0], [1, 2, 3])
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cross([0, 5, 0.2732723], [1, 2, 0.2732723])
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cross([0, 5, 0.2732723], [1, 2, 0.2732723], true)
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solve(`a^2 + b^2 = c^2`, {
a: 1,
b: 2,
c: undefined
})
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