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Python tutorial: Creating contour plots with NumPy meshgrid

Learn how to create contour plots in Python using NumPy’s meshgrid and Matplotlib. This step-by-step tutorial shows you how to generate grids, compute functions over them, and visualize data ...

Power Query Isn’t Required: New Excel Functions Handle Straightforward Sources Cleanly

Use formulas instead of Power Query for tidy files, with a visible source path and clear parameters that teammates can review ...

OpenAI says new coding model helped build itself

The new coding model released Thursday afternoon, entitled GPT-5.3-Codex, builds on OpenAI’s GPT-5.2-Codex model and combines insights from the AI company’s GPT-5.2 model, which excels on non-coding ...

Moltbook, the viral AI sensation, isn't exactly Skynet

Why some tech lovers are letting their imaginations run away with them.
CNBC

6 ways to file your taxes for free

The Trump administration pulled the plug on IRS Direct File, a pilot program allowing taxpayers to file federal tax returns for free. But there are still many no-cost filing options available, ...