Rave Reviews

"The very definition of a concise, user-friendly, up-to-date technical dictionary."

David Pogue, The New York Times

"An invaluable tool for novices and experienced users alike."

William Hewlett, Co-founder HP

"The complete guide to computer literacy"

Engineering Management Review

"The Rolls-Royce of computer dictionaries."

Toronto Computes

"As a technical author, this is my constant reference."

Stephen Taylor

"Best reference without question."

Government Technology Magazine

"I use it daily. Simply outstanding."

Karl Fife

"Most informative definitions and best diagrams."


"Since the 1980s, the most valuable PC tool I've ever used."

Richard Paulson

"The best dictionary of all the ones we tested."


Comments from our 4.8-Star Rating in Android App Store  (search Google Play for "CDE")

"Absolutely fantastic."

"My favorite app."

"A very great and informative app Google should support it a million fold....it's even richer than the net itself!!!"

"Very very very superb keep it up guys."

"The best of computer science."

"Enlighten yourself by downloading this app people."

"Perfect app for IT students."

"You have created the near-perfect best computer dictionary in the world."


"Best computer app so far."

"Great app."

"This app is almost like my dream come true!"

"Oui oui oui."

"Good every way."

"Very very important app."

"Love it."

"Fantastic & superb I love this app."

"Thanks so much."

"Extraordinary tech reference."

"Excellent app."

"Thank you soooo much for this very nice app."

"Highly recommended."


"Best computer dictionary ever."

"I really love it."

"Good Job."

"Amazing app."

"I love the layout. Tons of info!!!"

"Superb simply."

"The best tech dictionary... am using 3 years."

"Keep going on!"

"Great app."

"It is a really wonderful app!"

"Really helpful tool."

"Best tech app."

"It's a great IT tool."

"Splendid app I love it."