Sci & Tech Definitions Plus Spell Check!

Now Supports Microsoft Office 365 and Microsoft Office 2019

Employ standardized scientific and technical terminology to assure accuracy and efficiency in your communications. Reduce errors to a minimum. It’s comprehensive, and accurate.

• Get dictionaries of chemistry, biology, physics, electronics, computer science and mechanical design.
• Access more than 120,000 concise, accurate, and complete definitions.
• View chemical structure images.
• Customize your dictionary fonts, and history to your preferences.
• Bookmark your favorite entries.
• Spell check your documents.  Our Sci & Tech Speller will fix those spelling errors even Microsoft Office can't correct.

Available for PCs and Macs. Windows 10 and Windows 7 compatible. macOS Catalina compatible too.

Microsoft Office compatible including 2019 and 365, WordPerfect, OpenOffice, Apple iWork, and more. 

Backed by 90 day written warranty.

Free tech support.