This is Japan Made Calculator which was used during 1980’s in Islamic Republic of Iran, Now a days it is preserved in Bank Milli Musium Iran Tehran ,people come from different parts of Iran to visit this Musium , it has no entry fee.
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Hello @Asmat_kakar the calculator is in good condition , how’s your experience in this museum and will you please provide us the link of that place ?
If you love to see antique things than soon I will make a post on it.
thanks and have a nice day 
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