The Uncertainty Calculator enables users to perform calculations using precise numbers and ranges (e.g., 4 or 4 ± 6) to express uncertainty. It simplifies statistical reasoning for everyday decisions, helping users gauge potential financial outcomes in uncertain situations.

Key Features

• Input both exact numbers and ranges with a tilde (~) to denote uncertainty.

• Operates on basic mathematical operations: addition, subtraction, multiplication, and division, and supports functions like exponentiation, square roots, and trigonometric functions.

• Utilizes a Monte Carlo method for computations, providing a probabilistic range of results.

• Design is basic and intentionally user-friendly, aiming to empower those without deep statistical knowledge.

Limitations

• Calculation speed is slower due to Monte Carlo simulations, and the formula parser may show errors.

• Only normal distributions are assumed for ranges, providing a simplified model for uncertainty.

Practical Applications

• Estimate financial viability of business ideas, calculate potential investment returns, assess risks, and more, all accounting for uncertainty in key variables.

Hello HN! We’re a small creative studio specializing in real-time 3D experiences. Netlify approached us to design and build an interactive experience to celebrate reaching 5 million developers.
Inspired by the classic game Marble Madness, we created a gamified experience where users control a ball through playful, interactive levels. The goal was to blend marketing content with the look and feel of a game to engage users.

The app is built with Three.js [1], using our custom render pipeline and shaders, and uses Rapier for