Canon Multi 8
With display switched so that the upper line shows the number in the memory.
Close up of the display, switched to show the items of a calculation, here 22/7.
Canon Multi 8.
Distinctive features: The first hand-held calculator with a multi-line display.
Technical details:
Display has 2 lines, each of 8 digits, blue fluorescent.
Four functions, %, memory, square root.
Integrated circuit - Texas Instruments TMS1079NL, here date coded late 1977.
4.5v (3 x AA batteries).
76 x 154 x 22 mm (3.0" x 6.0" x 0.85").
Made in Japan.
Has two lines of display - The switch to the left of the display is used to select one of the following:
- The upper line displays the number in the memory (see above, left).
- The upper line is turned off, so giving a conventional single line display.
- Both lines display the items of a calculation (see above right).
Close up of the 2-line fluorescent display.
Until the introduction of cheap multi-line LCDs (Liquid Crsystal Displays) in the 1980s this was one of the very few calculators to display more than one line.
Hand-held Calculators
Vintage Calculators
© Text & photographs copyright Nigel Tout 2000-2023 except where noted otherwise.