bignum.qwer · 1.0.0Integers and fractions of any size, exact: factorials, powers, gcd, modular powers, and fractions such as 1/3 + 1/6 = 1/2 with no rounding.8 views · 7 downloadsClustering clustering.qwer · 1.0.0Data put into groups: k-means with k chosen by the elbow and silhouette, DBSCAN for groups of any shape and their outliers (in metres for latitude and longitude), and hierarchical clustering, on rows of numbers or maps.7 views · 7 downloadsFinance finance.qwer · 1.0.0Loan payments and amortization tables, compound growth with deposits, net present value and internal rate of return, in cents.7 views · 6 downloadsFractions fractions.qwer · 1.0.0Exact fractions for recipes, carpentry and school maths: "1 1/2", "3/8" and "12.5%" read and calculated without rounding, expressions worked out, decimals turned into simple fractions, measures rounded to 1/16 inch, and recipes scaled.7 views · 9 downloadsFrequency spectrum fft.qwer · 1.0.0The frequency spectrum of samples from a microphone or sensor: frequencies and their strength, the dominant ones found between bins, and the signal's level.8 views · 7 downloadsGraphs graph.qwer · 1.0.0Graphs given as edges: shortest paths with distances, task order by topological sort with cycles named, connected groups, and what a node reaches.7 views · 7 downloadsMatrices matrix.qwer · 1.0.0Matrices as lists of rows: linear systems solved, inverses, determinants, products and transposes, and least-squares fits such as a trend line.7 views · 8 downloadsOptimization optimize.qwer · 1.0.0Linear programming in pure Rust: the best plan under constraints, with whole-number variables, plus knapsack and assignment problems ready made.7 views · 9 downloadsStatistical tests statistics.qwer · 1.0.0Statistical tests and regression beyond Quillo's stats: t-tests (one-sample, paired, Welch), ANOVA, chi-square tests, Mann-Whitney U, correlation with its p-value, confidence intervals, and multiple linear regression with standard errors and p-values.7 views · 7 downloadsUnit conversion units.qwer · 1.0.0Quantities converted between units: length, mass, temperature, volume and kitchen measures, speed, energy, pressure, data sizes and more, with prefixes and compound units, mpg against L/100km, "5 ft 11 in" read, and values shown in their most readable unit.7 views · 8 downloadsOther tags
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