Shop for OGT Calculators,   Teacher's Kit,   Overhead Calculator

Buy OGT Calculators here for $17.95 each plus $3.00 s&h.

Teacher's kit includes 10 calculators, plastic caddy that holds 10 calculators, 

teacher's guide, transparency master, calculator poster for classroom. $189.95 plus s&h

Overhead Calculator - $129.98 plus $3.00 s&h   For use as an instructional tool on an overhead projector 2-line display: entries on top line, results on bottom line Scrolling display Previous entry feature Menus: select settings for your classroom needs Fraction feature: fractions and mixed numbers operations 2-variable statistics Conversions: Fractions/Decimals; Degrees/Radians/Grads; DMS/Decimal/Degrees Basic scientific & trigonometric functions Manual included (English, Spanish, Portuguese, French)

For school purchases (order form to fax - 781-780-2176)

or for individual orders by check:

                 order form to print and fax (781-780-2176)

Where can I get E-Books and downloads for worksheets? 

Our catalog is here.

• Basic calculator instruction

• How to use a scientific calculator

• Calculator tricks

• Online calculators interactive site

• King of all calculator sites - Texas Instruments

OGT Mentor™ 

PO Box 101

Marblehead, MA 01945