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DT661 Specification

• Multi-function Semi Desktop Calculator (MFC)
• User friendly programming/operation
• Cost / Sell / Margin feature calculates ANY variation.
  Allows you to view all 3 parts of your final answer.
• Programmable currency conversion.
  For use with any currency including Euro.
• Programmable one-touch Tax feature.
  Ideal for adding or subtracting VAT.
• Automatically turns on & registers when pressing ANY
  key, so you can start using the machine instantly
• 4 constants
• 12 digit large fixed angle display
• Durable solid metal fascia
• Durable hard keys
• Backspace correction key
• +/- Change sign key
• 3 key memory

• Solar power with battery backup

• (WxDxH) 101 x 150  x 23mm

• Unit weight: 115g

• Backup battery ref: LR1130 or BSR54H