3691358

Information

• Patent Grant
• 3691358

• References
• Source

• Patent Number

  3,691,358

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • G06F7/491 - Computations with decimal numbers radix 12 or 20.
  • G06F3/027 - for insertion of decimal point
  • G06F3/1407 - General aspects irrespective of display type
  • G06F15/02 - manually operated with input through keyboard and computation using a built-in programme
  • G09G3/10 - using gas tubes

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating