Mixes are sets of collections for learning with SuperMemo. Remember that it is always best to create your own learning material (e.g. with incremental reading). The following mixes are available: Medical Biology Mix $19.00 Business Mix $9.00 Programmer's Mix $14.00 Mathematics Mix $9.00 Bestsellers Mix $19.00 Chart Toppers Mix Regular price: $49.60 Sale price: $14.00 Search Toppers Mix Regular price: $28.20 Sale price: $9.00 Asian Mix $26.70 Better English Regular price: $44.80 Sale price: $19.00 Chemistry Mix Regular price: $13.10 Sale price: $5.00 English in Medicine Regular price: $17.60 Sale price: $7.00 English in the Streets Regular price: $21.70 Sale price: $9.00 General English Regular price: $39.20 Sale price: $15.00 Geography Mix Regular price: $34.70 Sale price: $25.00 Germanic Mix $49.10 Hellenic Mix $26.00 History Mix Regular price: $21.70 Sale price: $14.00 Pronunciation Mix $13.30 Romance Mix $20.00 Slavic Mix $51.00 Technical Mix Regular price: $25.70 Sale price: $15.00 The USA Mix Regular price: $13.40 Sale price: $6.00 Via Keyboard Mix Regular price: $14.00 Sale price: $5.00 Windows NT Mix Regular price: $13.00 Sale price: $4.00 With SuperMemo you can forget about forgetting!