"Measurement"

Digital stopwatch with ¹/₁₀₀th of a second accuracy.

Calibrated in both inches and centimeters, these fiberglass tapes will find use in indoor and outdoor measurements activities.

Allows You to See Your Work

Time lab activities with precision.

Precise Vernier Caliper

Indestructible, high-quality, fiberglass tape.

No Need for a Second Person to Hold the End of the Tape Measure

Easy to Measure at Right Angles

This sensitive lab instrument is accurate to ±0.15% at its maximum setting.

The multi-purpose digital timer is versatile and easy to use.

This calculator features large keys and an angled LCD display for simple use.

Easily Take Accurate Measurements in the Field

Determine the Diameter of Trunks by Measuring their Circumference

This small, simple calculator is perfect for your desk or your pocket.

Numbered inserts and a lockable lid make it easy to keep track of your classroom calculators.

Numbered inserts and a lockable lid make it easy to keep track of your classroom calculators.