News and graphics at @ClimateLab, a project of @PostGraphics.
Kaprekar's constantBayes’ TheoremDiscovering Pi With Monte CarloPaper FoldingHyperbolic & Inverse Hyperbolic FunctionsQuadratic FormulaSecant & Tangent Lines on a Power FunctionRoundHeron's FormulaCompleting The SquareCircles, Angles and Right TrianglesSin, Cosine, and Tangent of an AngleFactorialZ Score TableBinominal Probability FormulaStatsLog AnimationCircular Segment with Chart of h-k RelationshipVisualizing vector additionFactor FunctionsFunction iteratorSine WavePythagorean Triples
Approaching Euler's Number
arr = {
const out = [];
let n = 0;
while (true) {
++n;
out.push([n, Math.pow(1 + 1 / n, n)]);
yield Promises.delay(100, out);
}
}
x = d3.scaleLinear()
.domain([0, arr[arr.length - 1][0]])
.range([0, chartWidth])
y = d3.scaleLinear()
.domain([2, 3])
.range([chartHeight, 0])
line = d3.line()
.x(d => x(d[0]))
.y(d => y(d[1]));
chartWidth = Math.min(400, width) - margin.left - margin.right;
chartHeight = Math.min(400, width) - margin.top - margin.bottom;
margin = ({left: 30, right: 10, top: 20, bottom: 20});
d3 = require("d3@5");
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
