User manual SHARP EL-509E

[. . . ] Press the RESET switch (on the back), with the tip of a ballpoint pen or similar object, only in the following cases. Do not use an object with a breakable or sharp tip. When using for the first time · after replacing the batteries · To clear all memory contents When an abnormal condition occurs and all keys are inoperative. If service should be required on this calculator, use only a SHARP servicing dealer, SHARP approved service facility, or SHARP repair service where available. [. . . ] If a floating point number does not fit in the specified range, the calculator will display the result using the scientific notation (exponential notation) system. Press ", followed by 0, to display the following submenu: In each display setting, a number is automatically displayed in scientific notation outside a preset range: · In this calculator, the following three angular units (degrees, radians, and grades) can be specified. In each example, press ª to clear the display. And if the FIX, SCI, or ENG indicator is displayed, clear the indicator by selecting `NORM1' from the SET UP menu. The closing parenthesis ) just before = or ; may be omitted. When performing calculations using constants, constants will be displayed as K. (This function cannot be selected while using the N-Base function. The generated pseudo-random number series is stored in memory Y. Each random number is based on a number series. [Random Numbers] A pseudo-random number, with three significant digits from 0 up to 0. 999 , can be generated by pressing @`0®. To generate the next random number, press ®. [Random Dice] To simulate a die-rolling, a random integer between 1 and 6 can be generated by pressing @`1®. To generate the next random dice number, press ®. [Random Coin] To simulate a coin flip , 0 (head) or 1 (tail) can be randomly generated by pressing @`2®. To generate the next random coin number, press ®. [Random Integer] An integer between 0 and 99 can be generated randomly by pressing @`3®. To generate the next random integer number, press ®. Each time @g are pressed, the angular unit changes in sequence. This calculator has 8 temporary memories (A-F, X and Y), one independent memory (M) and one last answer memory (ANS). The independent memory and temporary memories are only available in the normal mode. Press R and a corresponding variable key to recall a value from the memory. [. . . ] Each item is displayed with `Xn=', `Yn=', or `Nn=' (n is the sequential number of the data set). Display the data item to modify, input the correct value, then press k. Using &, you can correct the values of the data set all at once. Or appears, more data items can be browsed · To add a new data set, press ª and input the values, then press k. [. . . ]