sweph-wasm

High-precision Swiss Ephemeris WebAssembly bindings for TypeScript — comprehensive astronomical calculations including planetary positions, house systems, eclipses, fixed stars, and astrological computations with modern JS/TS support.

v2.6.9 URL: https://unpkg.com/sweph-wasm@2.6.9/dist/index.cjs

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precisedate

High-precision nanoseconds timestamps available for JavaScript.

v1.0.1 URL: https://unpkg.com/precisedate@1.0.1/PreciseDate.js

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date time precision high-precision nanoseconds microseconds javascript

eval-formula

Library for calculating formulas. Supports very large numbers(uses BigNumber)

v1.0.8 URL: https://unpkg.com/eval-formula@1.0.8/index.js

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eval formula bignumber high-precision precision calc calculate calculating large numbers

js-precision

一个基于 Rust + WebAssembly 的高精度计算库，封装了 [`rust_decimal`](https://crates.io/crates/rust_decimal) 实现，支持链式调用、科学计数法和精度控制，适用于前端金融、加密等高精度场景。

v0.1.1 URL: https://unpkg.com/js-precision@0.1.1/js_precision.js

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wasm rust decimal precision arithmetic math wasm-pack wasm-utils high-precision floating-point numeric utils javascript

vue3-calculator

A Vue 3 calculator component with scientific and standard modes

v1.0.3 URL: https://unpkg.com/vue3-calculator@1.0.3/dist/index.js

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vue3 calculator component typescript scientific-calculator math decimal precision composition-api vue-component calculator-component high-precision memory-calculator history responsive