What kind of calculator is The Addiator junior?
Addiator Addfeet Junior feet & inches calculator. Exactus Mini-Add, £sd Sterling currency calculator. In this model a flap is flipped over to change from addition mode to subtraction mode. Addiator Arithma decimal calculator, with pouch and stylus.
When was The Addiator put on the market?
” Made and presented by Addiator Gesellschaft, Berlin. This instrument, which shows the latest development of the Troncet type of arithmograph, was placed on the market in August 1920, and 100,000 examples were sold within a year.
How did The Addiator calculator become synonymous with Hoover?
Over the years there were many manufacturers of this type of calculator, but in the same way that ‘Hoover’ has become synonymous with vacuum cleaner, so ‘Addiator’ became synonymous with this type of calculator.
What was the cost of an Addiator in 1972?
An advertisement for the Addiator Arithma from 1972, showing that at US$3.98 they were much cheaper than the early electronic calculators of that time, though not as capable. Within 4 years, with mass production, the cost of electronic calculators would drop to near this level.
Addiator Addfeet Junior feet & inches calculator. Exactus Mini-Add, £sd Sterling currency calculator. In this model a flap is flipped over to change from addition mode to subtraction mode. Addiator Arithma decimal calculator, with pouch and stylus.
” Made and presented by Addiator Gesellschaft, Berlin. This instrument, which shows the latest development of the Troncet type of arithmograph, was placed on the market in August 1920, and 100,000 examples were sold within a year.
Over the years there were many manufacturers of this type of calculator, but in the same way that ‘Hoover’ has become synonymous with vacuum cleaner, so ‘Addiator’ became synonymous with this type of calculator.
An advertisement for the Addiator Arithma from 1972, showing that at US$3.98 they were much cheaper than the early electronic calculators of that time, though not as capable. Within 4 years, with mass production, the cost of electronic calculators would drop to near this level.
