ASMR 2.5 hrs Vintage Mechanical Calculator | Soft Spoken Math

Trying out a mechanical pinwheel calculator from early 1900s, and writing some math notes by hand. Demonstrate the basic operations: Addition, Subtraction, Multiplication and Division, and also Square Root, to be able to solve a mathematical task, which includes some geography as well, while rambling soft spoken in a Swedish accent to help you focus, relax and sleep.

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#ASMR #math #calculator

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►Links:

•Odhner's arithmometer (Vintage Calculator Simulator)
https://scratch.mit.edu/projects/4129...

•Svensk Original-Odhner - En Sann Klassiker (1stSpyGuy):
   • Svensk Original-Odhner - En Sann Klas...  

•Original Odhner - Multiplication (1stSpyGuy):
   • Original Odhner - Multiplication  

•Original Odhner - Division (1stSpyGuy):
   • Original Odhner - Division  

•Original Odhner - Division & Decimals (1stSpyGuy):
   • Original Odhner - Division & Decimals  

•The Original Odhner Vintage Calculator and the square root of 2 (singingbanana):
   • The Original Odhner (Vintage Calculator)  

•John Wolff's Web Museum
johnwolff.id.au

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►More Math Videos:

•Calculating How Many Dots Pt 2 | Gauss Sum:    • ASMR Math 1hr Calculating How Many Do...  
•Counting How Many Dots:    • ASMR Guess how many dots! Counting in...  
•Maths + History Pt 1 | The Swedish Mayflower pin:    • ASMR History+Math Pt1 The Swedish May...  
•Maths + History Pt 2 | Calculator Memorizing Tapping Reading    • ASMR Maths + History Pt 2 | Calculato...  
•Tracing Pi on Street number signs:    • ASMR Fall asleep to Pi (π) 3,14... Ti...  

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►Timestamps:

0:00 Intro
1:47 Mechanical Calculator Demonstration
8:20 Measure a distance on earth
17:06 Addition & Subtraction Examples
24:20 Subtraction of the coordinates
29:56 Next coordinates
35:01 Division
39:47 Division explained
46:29 Division is Repeated Subtraction
51:03 Divide by 3600
57:16 Repeated Subtraction 2
1:04:28 Repeated Subtraction 3
1:11:33 Addition & Pythagoras Theorem
1:19:46 Multiplication
1:26:14 Decimal Pointer
1:35:54 Square Root
1:45:24 Decimals always in pairs
1:53:47 Square Root of 10 Example
2:02:57 Square Root of Decimal Number
2:13:24 Checking the result
2:18:00 Convert to kmts and miles
2:27:13 Compare and check difference

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