This slide rule is also used in public health centers and livestock farms. Since it can also be used as a calendar for many years, it is also a very interesting product because it can be used to figure out what day was you born on? " and "What is the calendar for month after 3 years? Also, this back side has the same specifications as the front side of the slide rule No. 300, so it can be used for general calculations and is very convenient.Type of calculation: general multiplication/division, proportional (exponential percentage), square, cubic, high power calculation. Back side: Same specifications as the front side of the slide rule NO. Scale: DC, CI, P1, P2 (back side) Dedicated storage case, instruction manual included. These charges are the buyers responsibility. Please give me a message if you have any questions. International Buyers - Please Note. The item "Concise ruler circular slide rule days calculator NO.
480 100836 F/S" is in sale since Monday, March 22, 2021. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "shop-japan-akindo" and is located in Tsukuba-shi. This item can be shipped worldwide.