Texas Instruments TI-89 User Manual - Page 826
getMode, getNum, getTime, getTmFmt, getTmStr, Your screen may display different mode, settings.
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getMode() CATALOG getMode(modeNameString) ⇒ string getMode("ALL") ⇒ ListStringPairs If the argument is a specific mode name, returns a string containing the current setting for that mode. If the argument is "ALL", returns a list of string pairs containing the settings of all the modes. If you want to restore the mode settings later, you must store the getMode("ALL") result in a variable, and then use setMode() to restore the modes. For a listing of mode names and possible settings, see setMode(). Note: To set or return information about the Unit System mode, use setUnits() or getUnits() instead of setMode() or getMode(). getMode("angle") ¸ "RADIAN" getMode("graph") ¸ "FUNCTION" getMode("all") ¸ {"Graph" "FUNCTION" "Display Digits" "FLOAT 6" "Angle" "RADIAN" "Exponential Format" "NORMAL" "Complex Format" "REAL" "Vector Format" "RECTANGULAR" "Pretty Print" "ON" "Split Screen" "FULL" "Split 1 App" "Home" "Split 2 App" "Graph" "Number of Graphs" "1" "Graph 2" "FUNCTION" "Split Screen Ratio" "1,1" "Exact/Approx" "AUTO" "Base" "DEC"} Note: Your screen may display different mode settings. getNum( ) MATH/Algebra/Extract menu getNum(expression1) ⇒ expression getNum((x+2)/(yì 3)) ¸ x + 2 Transforms expression1 into one having a reduced getNum(2/7) ¸ 2 common denominator, and then returns its numerator. getNum(1/x+1/y) ¸ x + y getTime() CATALOG getTime() ⇒ list Returns a list giving the time according to the current value of the clock. The list is in {hour,minute,second} format. The time is returned in the 24 hour format. getTmFmt() CATALOG getTmFmt() ⇒ integer Returns an integer representing the clock time format that is currently set on the device. Integer values: 12 = 12 hour clock 24 = 24 hour clock getTmStr() CATALOG getTmStr([integer]) ⇒ string Returns a string of the current clock time in the current time format. If you enter the optional integer that corresponds to a clock time format, the string returns the current time in the specified format. Optional integer values: 12 = 12 hour clock 24 = 24 hour clock 826 Appendix A: Functions and Instructions