Solarys Calc is a GPL3 command line & graphical calculator. It accepts any mathematical expression including common operators (+ - * / % ^) and some functions like:
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ADD (2), a+b
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SUBTRACT (2), a-b
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MULTIPLY (2), a*b
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DIVIDE (2), a/b
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MOD (2), a%b
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POW (2), a^b
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SQUARE (1), a^2
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SQRT (1), a^(1/2)
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ROOT (2), a^(1/b)
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NEG (1), -a
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INVERSION (1), 1/a
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LOG10 (1), log(a) base 10
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LOG (2), log(b) base a
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LOGN (1), log(a) base natural
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EXP (1), e^a
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FACT (1), a!
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SIN (1)
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COS (1)
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TAN (1)
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ASIN (1)
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ACOS (1)
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ATAN (1)
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SINH (1)
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COSH (1)
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TANH (1)
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RAD (1), convert a degrees to radians
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DEG (1), convert a radians to degrees
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FLOOR (1)
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ROUND (1)
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CEIL (1)
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RAND (0), random number in [0, 1)
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SUM (N), summatory of some numbers
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AVG (N), average of some numbers
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PI (0 or 1), 3.14 multiplied by a if given
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E (0 or 1), 2.72 multiplied by a if given
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PHI (0 or 1), 1.62 multiplied by a if given
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SURCIRCLE (1), surface of circle with radius a
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SURTRIANGLE (3), surface of triangle with sides a, b, c
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PYTHHYPO (2), hypotenuse of right triangle of legs a, b
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PYTHLEG (2), leg of right triangle with other sides a, b
Run java -jar solaryscalc.jar or java -jar solaryscalc-gui.jar