Steve Holden <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>... > administrata wrote: > > > Hi! I'm programming maths programs. > > And I got some questions about mathematical signs. > > > > 1. Inputing suqare like a * a, It's too long when I do time-consuming > > things. Can it be simplified? > > > You mean you have to write a*a*a*a when you want the fourth power? You > need the exponentiation operator ** : > > >>> for i in range(6): > ... print 2 ** i > ... > 1 > 2 > 4 > 8 > 16 > 32 > > > 2. Inputing fractions like (a / b) + (c / d), It's tiring work too. > > Can it be simplified? > > > Surely you jest. Can you suggest a simplification, or have you come > across one in some other language? > > > 3. How can i input root? > > > Fractional exponents give you roots (sorry about the tiring division): > > >>> for i in range(1,7): > ... print i, 64 ** (1.0/i) > ... > 1 64.0 > 2 8.0 > 3 4.0 > 4 2.82842712475 > 5 2.29739670999 > 6 2.0 > > > thx 4 reading :) > > regards > Steve
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