Digital Superintelligence

Navier–Stokes,
apparently settled

The Clay Mathematics Institute said on 11 September 2026 that the problem appears to be settled. The proof is under review and no prize has been awarded.

Clay’s statement

Digital
Superintelligence

Free Calculators

The calculator bench · Free · Plain English

The world’s best free calculators, on the go.

Ask in plain English, from a phone, at no cost. Wolfram|Alpha is the one to bookmark; the rest cover notebooks, graphing, step-by-step algebra and spaceflight.

02

Google Colab

Free cloud Python notebooks with optional GPU time, for real simulations: trajectories, Monte Carlo runs, data.

03

SageMathCell

Run full SageMath (symbolic algebra, calculus, number theory) in the browser, free, no account.

04

Desmos

The fastest free graphing calculator: type an equation, see the curve.

05

GeoGebra

Free graphing, 3D geometry and computer algebra in one app.

06

Symbolab

Step-by-step solutions for algebra and calculus, typed in plain math.

08

Mathway

Quick step-by-step answers from basic math to calculus and physics.

10

NASA Trajectory Browser

NASA’s free tool for finding spacecraft trajectories to planets and small bodies, including Mars.