The number in the display must be an integer in the range 0-500, though it much overflow long before that. x! Computes the factorial of the number in the display. (3.1415927.) The corresponding action procedure is pi(). The corresponding action procedure is power(). For example "2 y^x 3 =" results in "8", which is 2^3. y^x Raises the number on the left to the power of the number on the right. The corresponding action procedure is naturalLog(). For example, entering "e ln" should result in "1". When inverted, it raises "e" to the number in the display. ln Calculates the log (base e) of the number in the display. The corresponding action procedure is logarithm(). For example, entering "3 INV log" should result in "1000". When inverted, it raises "10.0" to the number in the display. log Calculates the log (base 10) of the number in the display. The corresponding action procedure is scientific(). For example, to get "-2.3E-4" you'd enter "2. EE Used for entering exponential numbers. The corresponding action procedure is e(). The corresponding action procedure is degree(). The display should now show something along the lines of ".785398", which is 45 degrees converted to radians. Example: put the calculator into 'DEG' mode, and enter "45 INV DRG". When inverted, the DRG key has a feature of converting degrees to radians to grads and vice-versa. In 'RAD' mode, numbers are in radians, and in 'GRAD' mode, numbers are in grads. When in 'DEG' mode, numbers in the display are taken as being degrees. DRG Changes the DRG mode, as indicated by 'DEG', 'RAD', or 'GRAD' at the bottom of the calculator "liquid crystal" display. The corresponding action procedure is tangent(). tan Computes the tangent, or arctangent when inverted. The corresponding action procedure is cosine(). cos Computes the cosine, or arccosine when inverted. The corresponding action procedure is sine(). sin Computes the sine of the number in the display, as interpreted by the current DRG mode (see DRG, below). The corresponding action procedure is inverse(). See the individual function keys for details. The action procedure to clear the state is off() to quit, quit(). Pressing it with the third pointer button turns off the calculator, in that it exits the program. AC Clears the display, the state, and the memory. The corresponding action procedure for TI mode is clear(). Pressing it twice clears the state, also. Allows you to re-enter a number if you make a mistake. CE/C When pressed once, clears the number in the display without clearing the state of the machine. The corresponding action procedure is squareRoot(). SQRT Takes the square root of the number in the display. The corresponding action procedure is square(). The corresponding action procedure is reciprocal(). 1/x Replaces the number in the display with its reciprocal. The action used for all digit keys is digit( n), where n is the corresponding digit, 0.9. These are useful if you are interested in defining a custom calculator. The action procedures associated with each function are given below. The entire number in the calculator display can be selected, in order to paste the result of a calculation into text. The parentheses can be used to override this. It should be noted that the operators obey the standard rules of precedence. To quit, press pointer button 3 on the AC key of the TI calculator, or the ON key of the HP calculator.Ĭalculator Key Usage (TI mode): The numbered keys, the +/- key, and the +, -, *, /, and = keys all do exactly what you would expect them to. Many common calculator operations have keyboard accelerators. Pointer Usage: Operations may be performed with pointer button 1, or in some cases, with the keyboard. Without this flag, it will emulate a TI-30. In this mode the calculator will look and behave like an HP-10C. rpn This option indicates that Reverse Polish Notation should be used. On monochrome displays improves the appearance. On monochrome displays improves the background colors. With two additional options: -stipple This option indicates that the background of the calculator should be drawn using a stipple of the foreground and background colors. Xcalc accepts all of the standard toolkit command line options along Xcalc is a scientific calculator desktop accessory that can emulate a TI-30 or an HP-10C. This is the UNIX man page for the xcalc X Windows scientific calculator that is installed on borg.
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