Summa 303

Summa 303

Desk calculator, designed for semi-professional use, with a two-colour impact printer. It comes with an ample ergonomic keypad, with soft keys, differently coloured according to the different calculation functions. Ready to use and able to save several calculations simultaneously, it calculates totals along with tax, currency conversions and mark-ups.

The sleep mode guarantees reduced energy consumption and respect for the environment.



  • 12-digit LCD with
  • SAVING function


  • Two-colour, impact


  • Saved subtotal:

  • Overall total calculation

  • Tax calculation

  • Mark-up calculation (MU)

  • Currency converter Percent; 4 saved keys

  • 4 essential operations Sleeping mode function


  • Round up, 5/4, down

  • Decimals A, 0, 2, 3, 4, F

  • Item counter

  • Off/no print/print

Dimensions (WxDxH)

  • 200 x 240 x 50 mm


  • 100-240V adapter

  • 50-60 Hz, 6V DC 300mA


  • A calculator line that respects the environment and safeguards health
  • Low Energy consumption thanks to automatic switch-off of the display after 3 minutes of inactivity allowing significant energy savings.
  • All calculations are kept on memory
  • It is produced using recycled plastic that can be recycled again at the end of the product’s lifetime
  • An exclusive feature only for the Logos’ line is the antiseptic keyboard, able to prevent the spread of bacteria and micro-organism harmful to the health
  • High energy efficiency to meet eco-design power consumption requirements



Download the Brochure here

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