IOE LocusEntrance Portal
High-Yield Retrieval

Formula Vault

Access critical engineering formulas. Click on any formula to reveal variable definitions and common IOE entrance traps designed to trick candidates.

Standard Notation

I = 2/5 M R²

Parameter Glossary

MMass of sphere (kg)
RRadius from axis (m)

IOE Entrance Trap

Do not confuse with a hollow sphere (2/3 MR²). IOE questions often subtly mention 'shell' vs 'solid'.