A mathematicla adventure.
For all between 11 and 100
• Chefren has sold about 40,000 copies and is used in more than 1,000 networks.
• Chefren available in 10 languages:
Swedish, Danish, Norwegian, Icelandic, Dutch, German, English, French, Italian and Finnish.
• Windows XP/Windows7/Windows 8/Windows10.
• Chefren Pyramid is produced by Alega.