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Discover how much more efficient and enjoyable your life can be with our innovative products. No matter what your hobby or occupation, there is an intuitive product that lets you focus on your work and not your calculations!

Hewlett Packard HP-12C Used Programmable Financial Calculator

Get HP's famous HP-12C RPN Financial Calculator for only $29.95! Used in good condition.

Sonin 10045 Multi-Measure 45 - Ultrasonic Distance Measuring Tool

Get the Sonin 10045 Ultrasound Electronic Distance Measuring tape for $16.95 or less!

Checkbook Calculators

Maintain your checking, savings, and credit card accounts with innovative checkbook calculators!

Calculator Stands and Pads

Make using your calculator easier and more comfortable.


Calculators, software, and services for surveying professionals.

Program Entry Service for HP-35S and HP-33S Calculators - Perfect for Surveying and More!

We can now enter your HP-35S programs into the calculator for you! Perfect for NCEES exams!

Used Calculators

A full selection of used graphing, financial, and scientific calculators. All protected by our 30 day money back guarantee!

1-Step Instant Metric Magic™ - The World's Easiest To Use Metric Conversion Calculator!

This ingenious patented feature-rich calculator finally makes metric conversion accessible to all! 350+ Conversions!

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