Pakistani students get ignored by most tools on the internet. Every CGPA calculator uses the US 4.0 grading scale. Every merit calculator doesn't know what NUST or FAST or MDCAT is. Every EMI calculator shows interest rates in USD. So I built ToolForge — a free toolkit specifically for Pakistan. Here's what I learned building three of its most-used calculators. The CGPA Calculator Problem Pakistan's Higher Education Commission (HEC) uses a grading scale that's subtly different from the US system most calculators are built on. The key difference: in Pakistan, both A and A+ map to 4.0 grade points. In the US, A+ is sometimes 4.3. This sounds minor but it causes significant errors when students use US-based calculators for Pakistani universities.…