Ortons Lightning Calculator And Accountants Assistant
Ortons Lightning Calculator And Accountants Assistant
Hoy D Orton
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109, multiplied by 3, the root of 9, gives 327 for the answer. 4. What is the root of 451584? Ans. 672. As the unit figure is 4, and in the line of squares we find 4 only at 4 and 64, the above number, if a square, must divide by 4, or 64, or by both. We will divide it by 4, and we have the factors 4 and 112896. This last factor closes in 6 ; there- fore, by looking at the table, we see it must divide by 16, or 36, etc. We divide by 36, and we have the factors 36 and 3136; divide this last by 1...6, and we have 16 and 196 ; divide this last fraction by 4, and we have 4 and 49. Take now our divisors, and last factor, 49, and we have for the original number the product of 4X36X16X^X49; the roots of which are 2x6 X4X2X?, the products of which are 672, the answer 5. Extract the square root of 2025. Ans. 45. 9 132 ORTON'S LIGHTNING* CALCULATOR. 1st. Divide by the square number 25, and we find the two factors, 25x81? as equivalent to the given number. Roots of these factors, 5x945, the, answer.
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