Learn various facts about marijuana.
Get dictionary definitions of Chemistry terms.
Reference/bibliography tool for writers, researchers or students.
Advanced grapher for plotting math equations and tables.
Gradebook tracks students, assignments and scores.
Give your data audience appeal.
Marine ENC/RNC chart planner, live GPS navigation, Tides & Currents and GRIB weather data viewer.
Easily create and share crossword and word search puzzles (web, print, & PDF).
Access ePub, PDF, AZW, PRC, TXT, HTMLz, and TPZ files easily.
Typing game to help practice typing.