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ABCrimson edited this page Jul 10, 2026 · 10 revisions

NextCalc Pro

Scientific Calculator & Mathematical Visualization Platform

Current Release: v1.4.0 (June 29, 2026) — Release Notes

Live Demo | GitHub Repository | Releases

Overview

NextCalc Pro is a comprehensive scientific calculator and mathematical visualization platform built as a monorepo with Next.js 16, React 19, TypeScript (7 native for most packages, 6 for web and plot-engine), and GPU-accelerated rendering.

Key Numbers

  • 48 page routes
  • 8 languages (en, ru, es, uk, de, fr, ja, zh)
  • 20 math engine modules
  • 3 Cloudflare Workers
  • 22 GraphQL queries + 20 mutations + 2 subscriptions
  • 9 colormaps + 5 HDR cubemap themes

Latest Updates (v1.5.x)

v1.5.1 hotfix — restored the level-icon avatars (they were data-referenced, not dead code), fixed comment upvotes (a schema defect dating to February — they had never worked), comment posting no longer collapses the thread, Lorenz GPU particles render again (upright, in their cage), ODE view auto-fits the solution, PDE 3D colormap works in the default view, and the profile owner gained an admin-only avatar icon picker.

  • Evergreen dependency sweep: every dependency at its absolute-newest published version in any channel — Next.js 16.3 canary, React 19.3 canary, graphql 17, Vitest 5, Prisma 7.9, pnpm 11 GA — and TypeScript 7.1 (native Go compiler) is now the blocking typecheck gate for 8 of the 10 packages (full-workspace typecheck ~6 min → ~22 s); @nextcalc/web and @nextcalc/plot-engine remain on classic TypeScript 6.0.x pending upstream fixes -- see Architecture
  • React Compiler enabled across the web app, plus GraphQL fragment masking with useFragment
  • Real cross-instance GraphQL subscriptions: Redis Streams events are actually consumed (overlap-proof, tip-anchored polling) — multi-instance SSE delivery now works
  • Plot correctness: adaptive-sampling fixes (grid-resonance aliasing that flattened functions like sin(10πx), lost discontinuity breaks at asymptotes, an inverted refinement criterion), bounded sample cache, stale-geometry and VAO fixes — see Plot-Engine
  • Math engine: Complex.pow for arbitrary exponents, compound unit expressions (km/h, kg*m/s^2), a 16-problem competitive-accuracy regression suite, and CAS polynomial-division fixes including a long-masked infinite loop in lcmPolynomials — see Math-Engine
  • Localization: the full worksheets namespace now exists, properly translated, in all 8 locales
  • Dead-code purge: ~115 dead files removed (net −9k lines), shipped through a pre-merge adversarial review (42 agents; 19/20 findings confirmed and fixed)

Previously (v1.4.0)

  • Forum localization fix: post views, upvotes, and relative timestamps now render in your selected locale — they were using the runtime default across all 7 non-English locales (ru, es, uk, de, fr, ja, zh)
  • Idiom modernization (behavior-preserving): code rewritten to the newest idioms of each pinned dependency — Zod 4 (z.url()/z.uuid()), motion/react, Tailwind v4 bg-linear-*/oklab + size-*, React 19.3 useEffectEvent, shadcn data-slot across all UI primitives, Hono zValidator across all 3 Workers
  • Observability: real Sentry capture wired (manual errors + error boundaries were console-only) and instrumentation-client.ts migration (restores client-side Sentry/navigation tracing under Turbopack)
  • TS7-forward: the advisory tsgo (TypeScript 7 native preview) typecheck shipped green across the non-Three.js-TSL packages — the groundwork for v1.5.0's native gate

Quick Links

Topic Description
Getting Started Install, configure, and run locally
Architecture System design, data flow, and design decisions
Math Engine 20 computation modules with usage examples
Plot Engine GPU rendering pipeline and colormaps
GraphQL API Full API reference (queries, mutations, types)
Cloudflare Workers Edge microservices (CAS, export, rate limiter)
Database Schema Prisma models, relationships, and enums
Internationalization i18n setup and translation workflow
Deployment Vercel, Cloudflare, and CI/CD
FAQ Common issues and solutions

Tech Stack

Category Technology
Framework Next.js 16.3 canary + React 19.3 canary
Language TypeScript 7 native (8/10 packages); TypeScript 6 for web + plot-engine -- see Architecture
Styling Tailwind CSS 4.3 (OKLCH)
State Zustand 5.0
3D Three.js 0.185-line
ORM Prisma 7.9 dev
GraphQL Apollo Server 5.5 / Client 4.3
Cache Upstash Redis
Workers Hono 4.12 on Cloudflare
Build Turborepo 2.10 canary
Linting Biome 2.x

Exact pinned versions live in each package's package.json.

NextCalc Pro v1.5.2 | Home | Getting Started | Architecture | API Reference | Deployment | GitHub | Release Notes | Live Demo

v1.5.2

🏠 NextCalc Pro

📦 Packages

🔧 Backend

🚀 Operations

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