Rolf's Calculator
A fully featured scientific calculator is implemented, including trig functions and logarithms, factorials, 12 levels of parentheses, logs to base 2 (one of my favourite functions!), bitwise logical operators, hex, octal, binary and ascii display. (Warning: you may occasionally notice strange results in the Windows version due to problems with its floating point implementation.)
applet
simple scientific calculator
An infix (regular) calculator applet.
applet
foo
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