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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