![I found this Calculator in my house, is it rare? I googled this model but couldn't find it. : r/calculators I found this Calculator in my house, is it rare? I googled this model but couldn't find it. : r/calculators](https://i.redd.it/cr0afgpu9x231.jpg)
I found this Calculator in my house, is it rare? I googled this model but couldn't find it. : r/calculators
![World's first pocket calculator goes up for auction: 'Exceptionally rare' 17th century machine made of wood could fetch £100,000 | Daily Mail Online World's first pocket calculator goes up for auction: 'Exceptionally rare' 17th century machine made of wood could fetch £100,000 | Daily Mail Online](https://i.dailymail.co.uk/i/pix/scaled/2013/08/26/article-2402097-1B77FA2F000005DC-458_308x185.jpg)
World's first pocket calculator goes up for auction: 'Exceptionally rare' 17th century machine made of wood could fetch £100,000 | Daily Mail Online
![MASTER II (Master Calculator Co., probably 1972.) Legitimately rare calculator from an obscure manufacturer. : r/calculators MASTER II (Master Calculator Co., probably 1972.) Legitimately rare calculator from an obscure manufacturer. : r/calculators](https://preview.redd.it/master-ii-master-calculator-co-probably-1972-legitimately-v0-5a71gqhhl8ba1.jpg?width=640&crop=smart&auto=webp&s=5f0a07c8c02202feff1bd8acc92ac87c53d655fd)
MASTER II (Master Calculator Co., probably 1972.) Legitimately rare calculator from an obscure manufacturer. : r/calculators
![Rare Vintage Casio fx-451M Solar Power Scientific Calculator Works Great (C10B1) #Casio | Calculator, Old calculator, Scientific calculator Rare Vintage Casio fx-451M Solar Power Scientific Calculator Works Great (C10B1) #Casio | Calculator, Old calculator, Scientific calculator](https://i.pinimg.com/originals/2a/75/b2/2a75b278db8df2a108f59c4bcc3e9e4e.jpg)
Rare Vintage Casio fx-451M Solar Power Scientific Calculator Works Great (C10B1) #Casio | Calculator, Old calculator, Scientific calculator
![MASTER II (Master Calculator Co., probably 1972.) Legitimately rare calculator from an obscure manufacturer. : r/calculators MASTER II (Master Calculator Co., probably 1972.) Legitimately rare calculator from an obscure manufacturer. : r/calculators](https://preview.redd.it/master-ii-master-calculator-co-probably-1972-legitimately-v0-t8sciphhl8ba1.jpg?width=640&crop=smart&auto=webp&s=98210c4f4b039adb3b7548179656249b5a9c07d6)