Calculator

 a = 
 b = 
 c = 
 d = 
 e = 
 f = 
 g = 

How to use the calculator:

Click the mouse in the input field of first line after [ a = ] and input any mathematical expression containing: numbers, four simple mathematical operations (+), (-), (*), (/); the round brackets ( ) and many elemental functions like sine, cosine and so on. The functions has the names: sin() for sine, cos() for cosine, tan() for tangent, asin() for arcsine, acos() for arccosine, atan() for arctangent, exp() for exponential, log() for natural logarithm, sqrt() for square root, round() for nearest integer, ceil() for least integer >= argument, pow(,) for exponential with base, first argument is base, second is exponent. When the total expression is defined click the button [ = ] to obtain the result in the right field of line. Simultaneously you define the variable (a) which can be used in all subsequent expressions including the argument of the functions. The same procedure in the second line defines the variable (b) and so on. You may redefine any expression at any moment. Afterwards by clicking the button [ = ] in each line you will obtain new result and new value for the variable of this line.
Please try, it is simple.


created: July 1998   by Victor Kohn.  
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