Taguchiâs approach to the product design process may be divided into three stages: system design, parameter design, and tolerance design . System design is the conceptual design stage where the system configuration is developed.
1 BTC in USD = $9969.04. The price of 1 bitcoin is 9969.04 USD based on the current market value of bitcoins.
Bitcoin price reached $17,900: 22 December 2017: $13,800 : Bitcoin price loses one third of its value in 24 hours, dropping below $14,000. 5 February 2018: $6,200 : Bitcoin's price drops 50 percent in 16 days, falling below $7,000.