DoubleCheck XL & XL Voice

DoubleCheck XL & XL Voice

Designed for the visually impaired, this commercial calculator with extra large display and buttons combines basic functions, commercial functions and conversion functions in one device. XL Voice comes with spoken functions.

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More details


  • Extra large display with 10 big digits
  • Extra large buttons (15 x 15 mm)
  • 10 memory spaces
  • Reciprocal value
  • Percentages
  • Square, raise to higher power; extract roots
  • Calculation of compound interest, cash values and annuities
  • Conversion of currency and physical units
  • Date and time with alarm clock function
  • Spoken functions (XL VOICE ONLY)
  • Volume control in 6 steps (XL VOICE ONLY)



  • Headphone jack 3.5 mm mono/stereo
  • Power supply 4 x 1.5 V AA batteries or mains adapter
  • Mains adapter socket 3.4/1.35 mm coaxial power connector
  • Operating temperature 0 - 40° Celsius
  • Dimensions (l/w/h) 210 x 170 x 45 mm (8.3 x 6.7 x 1.8 in)
  • Weight 487 g (including batteries)
  • Colour royal blue



DoubleCheck XL, 4 x 1.5 V AA batteries, printed user manual, 2 years warranty