"Measurement"

These metric/English wind-up tapes, made of impact resistant plastic and featuring fiberglass tape, were designed to meet the rigors of the classroom.

Flexible plastic meter stick marked in cm with 1 mm divisions on one side and with alternate-colored dm bars on the other, to show the relationships between units.

Hardwood ruler graduated in inches with ¹/₁₆ inch divisions and cm with mm divisions. An arc graduated in degrees for each 5 degrees is shown on the reverse side. The ruler has a metal edge and is 12 inches (30 cm) long.

The logarithmic paper has a one cycle semi-log chart.

cm/mm on one edge, dm/cm on the other. Shows 1 dm equals 100 mm.

Appropriate for ages 5 and up.

Measures up to: 30 cm, Graduations: dm, cm, mm

This high impact plastic caliper has an inside and outside measuring range of 140 mm with 0.1 mm graduations.

Consists of three 2" Ø, joined aluminum disks with knob tightening adjustment which holds pencils, chalk or hobby knives up to 0.6" in Ø. The diameter of the desired circle is set using scale on the front disk.

Measures both English and Metric scales.

Outside Mechanical Micrometer

Transparent Vinyl

Full-Size Vernier Caliper, durable plastic with metal parts.

Compass with straight edges made up of shatter-resistant plastic draws circle from ¹/₄" to 10" in ¹/₈" diameter increments.

Measures Both English and Metric Scales.

Measure Angles Between Crystal Faces

The TI-108 is a versatile calculator for the science classroom.

This fundamental calculator combines statistics and advanced scientific functions for high school math and science.