Practice calculator

DEG, not RAD.

A study look-alike, not Pearson software and not TI firmware. On the real sitting you get the on-screen pad, a whiteboard, and no formula sheet.

• Pick the closest rounded listed value.
• Inches are not feet. Diameter is not radius.
• OSHA 5 dB / 90 and NIOSH 3 dB / 85 travel as matched pairs.
• TRIR and DART use 200,000 hours.