About Exam Calculator Guide

Exam Calculator Guide is an independent editorial reference for U.S. test-takers. Every verdict on this site is hand-verified against the testing authority's own published policy. We do not represent Casio, Texas Instruments, Sharp, HP, NumWorks, NCEES, the College Board, or ACT in any capacity.

The site is operated by an independent editor. Verdicts carry a Last Verified date and a Confidence rating so readers can judge for themselves whether to trust the call before exam day.