Top Alternatives to GraphCalc

Wolfram Alpha is a computational knowledge engine that directly computes answers and provides curated data across a vast range of subjects, rather than merely linking to documents. It serves as a powerful tool for calculation, data analysis, and knowledge exploration using natural language input.

Mathematica is a comprehensive software suite for technical computing, widely used in scientific, engineering, and mathematical fields for its powerful symbolic and numerical computation capabilities.

Qalculate! is a powerful, versatile desktop calculator designed for complex mathematical calculations, symbolic manipulation, and various conversions. It offers a user-friendly interface alongside robust command-line capabilities, making it suitable for both casual users and technical professionals.

Matplotlib is a comprehensive plotting library for Python, enabling the creation of static, animated, and interactive visualizations in a variety of formats. It is widely used in scientific computing and data analysis.

Windows Calculator is a versatile, built-in application providing standard, scientific, and programmer modes, along with conversion tools. It offers ease of use for basic calculations and advanced functions.

Desmos is a free, online graphing calculator and robust mathematical tool that makes it easy to visualize functions, plot data, and explore mathematical concepts dynamically.