Since 1964, Citizen Systems has been the brand of choice for calculators worldwide, providing a wide range of reliable, highly sophisticated and innovative products, designed to meet your demands



The CITIZEN Eco Complete series is the new generation of impressively environment-friendly calculators. 

Because green counts. For this we create the the Citizen Eco Complete series with these 5 features :


1 = Blue Angel eco-certificate

2 = solar powered – no batteries, no need to change batteries

3 = casing made of 70 % recycled plastic

4 = packaging and instructions made of recycled material

5 = packaging completely compostable



About Citizen


With more than a century of producing ground-breaking technologies and electronic solutions, Citizen’s business is based around that of innovation and the company’s work ethos of ‘loved by citizens, working for citizens.’ This is a philosophy that is engrained throughout its 21,000 strong workforce. Combined with Citizen’s exceptional engineering expertise, this makes Citizen’s products responsive to the market with each and every product designed and manufactured with ultimate functionality, style and usability in mind.

Color black
Dimensions 107 mm x 34 mm x 173 mm
Weight 186 g
eco desktop calculator
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  • 1-Line Display
  • 12-Digit Display
  • Solar
  • Fixed Angled Display
  • Square Root Function
  • Auto sleep mode


Grand total Sum all previous calculations in to a grand total
Mark Up Pricing Used to calculate markups, margins and percentage differences
Square root Mathematical Function
Change (+/-)
Double Zero
Rounding selector 1 Choose how to round up or round down calculations (up, 5/4, cut)
3-Keys Memory Function Three Memory Keys (MRC, M+, M-)
Decimal selector (A,0,2,3,F)

Display & Power

Display LCD
Display Style Fixed Angled
Lines 1
Digits 12
Power supply Solar

Support and Downloads

We truly care about our users and our product.