Try moving it
- Change the 12 in A — all four cards recalculate together.
- Edit a formula mid-chain — only everything downstream changes. The lines show where each number comes from.
Template · 2026-08-16 updated
Chain calculations
One value flows through a chain of formulas: 12 → ×2 → +10 → ÷2. On a normal calculator the intermediate values vanish; here they all stay on screen.