Dictionary of Calculator Terms

Quick definitions used throughout calculators and educational guides.

Net Effective Rent

Average monthly cost after concessions and lease credits are applied.

Compaction Factor

Adjustment used to estimate how loose material volume changes after compaction.

TWR (Thrust-to-Weight Ratio)

Total thrust divided by total weight force.

BMI

Body Mass Index, a ratio of weight to height used as a screening indicator.

Index Lens

Optical lens material class; higher index usually means thinner lens for the same prescription.

ARV

After Repair Value, a projected sale price after renovation work.

Surface Speed

Linear speed at the outer edge of a rotating part, often in feet per minute.

Bavarian Formula

A commonly used method for converting grades into the German scale.