"WardsSci000543"

With English and metric scales, this ruler also features a comparison scale for Fahrenheit and Celsius temperature readings. Size: 15cm.

This wooden compass draws symmetrical circles every time. A rubber tip prevents slipping to help you maintain the center point.

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.

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

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.

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

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

Outside Mechanical Micrometer

Transparent Vinyl

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.