When I broke down the costs of Claude Code, about 95% was the main model

I had never looked at the costs of the main and sub models separately.Last time, I measured Claude Code by switching the ...

3 Steps to Calculate Reorder Points in an Excel Inventory Sheet

When your best-selling inventory is running low, but the next shipment is a month away by sea, relying on intuition for reordering leads to stockouts. By adding a 'Reorder Point' column to your Excel ...

Beyond CAGR: How IRR reveals the real impact of investment timing

The timing of investments and withdrawals can change investment returns. IRR helps measure that impact. Two weeks ago, we ex ...