Thank you for your video. In addition to using the A or B Scales for Square Roots and Squares and the K Scale for Cube Roots and Cubes, you can also use the LL Scales. The LL Scales can calculate arbitrary Roots and Powers. For examples, you can calculate the 4th root of 5 = 1.495 or 5 raised to the 4th power = 625 by using the LL Scales. The LL Scales can be used for powers and roots of numbers ranging from e^-10 = 0.000045 up to e^10 = 22,026.
Using the number of digits to determine which side to use is wrong, because using that technique would have 14 on the right side and 14.4 on the left side. It should be if you express the number in scientific notion then use the exponent of 10 to determine which part of the scale to use.
Daft question. I’m 68. Retired Haematologist. Had a resurgence in interest in a slide rule. I’ve been using my son’s old Maths revision books. Who can tell me. How do you calculate the square root of 50,000 on a slide rule. I’ve tried using logs, but it didn’t work. Thank you.
Did you get to the part of the video about roots? Put the cursor on 5 for the A scale. Keep in mind that it is 5 x 10^4 Then read off the D scale. I get about 2.235. Since the square root of the 10^4 is 10^2, the answer is about 2.235 x 10^2, or 223.5.
@@west thank you very much for that @west. And yes, you are correct…223 is square root. I’ll get there. I’m trying to keep my brain cells ticking over. Thanks again.
Thank you for your video. In addition to using the A or B Scales for Square Roots and Squares and the K Scale for Cube Roots and Cubes, you can also use the LL Scales. The LL Scales can calculate arbitrary Roots and Powers. For examples, you can calculate the 4th root of 5 = 1.495 or 5 raised to the 4th power = 625 by using the LL Scales. The LL Scales can be used for powers and roots of numbers ranging from e^-10 = 0.000045 up to e^10 = 22,026.
Using the number of digits to determine which side to use is wrong, because using that technique would have 14 on the right side and 14.4 on the left side. It should be if you express the number in scientific notion then use the exponent of 10 to determine which part of the scale to use.
Daft question. I’m 68. Retired Haematologist. Had a resurgence in interest in a slide rule. I’ve been using my son’s old Maths revision books.
Who can tell me. How do you calculate the square root of 50,000 on a slide rule. I’ve tried using logs, but it didn’t work. Thank you.
Did you get to the part of the video about roots? Put the cursor on 5 for the A scale. Keep in mind that it is 5 x 10^4
Then read off the D scale. I get about 2.235. Since the square root of the 10^4 is 10^2, the answer is about 2.235 x 10^2, or 223.5.
@@west thank you very much for that @west. And yes, you are correct…223 is square root. I’ll get there. I’m trying to keep my brain cells ticking over. Thanks again.