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Фрагмент инструкции
5. Enter the correct modes to perform the calculation and try again. < fx-350TL> If the above steps do not correct your problem, press the P button (see page 29) on the back of the calculator to reset it. Pressing the P button deletes all data stored in calculator memory. Make sure you always keep written copies of all impor tant data. E-25 < fx-85W/ fx-85WA / fx-300W > If the above steps do not correct the problem, press the 5 key. The calculator performs a self-check operation and deletes all data stored in memory if any abnormality is detected. Make sure you always keep written copies of all impor tant data. k Error Messages The calculator is locked up while an error message is on the display. Press t to clear the error, or press e or r to display the calculation and correct the problem. See “Error Locator” on page 9 for details. Ma ERROR •Cause •Calculation result is outside the allowable calculation range. •Attempt to perform a function calculation using a value that exceeds the allowable input range. •Attempt to perform an illogical operation (division by zero, etc.). •Action •Check your input values and make sure they are all within the allowable ranges. Pay special attention to values in any memory areas you are using. Stk ERROR •Cause •Capacity of the numeric stack or operator stack is exceeded. •Action •Simplify the calculation. The numeric stack has 10 levels and the operator stack has 24 levels. •Divide your calculation into two or more separate parts. Syn ERROR •Cause •Attempt to perform an illegal mathematical operation. •Action •Press e or r to display the calculation with the cursor located at the location of the error. Make necessary corrections. E-26 Arg ERROR •Cause •Improper use of argument •Action •Press e or r to display the location of the cause of the error and make required corrections. k Order of Operations Calculations are performed in the following order of prec edence. 1 Coordinate transformation: Pol (x, y), Rec (r, .) 2 Type A functions: With these functions, the value is entered and then the function key is pressed. x2 , x1 , x!, ° ’ ” x 3 Powers and roots: xy, 4 ab/c 5 Abbreviated multiplication format in front of ., memory name, or variable name: 2., 5A, .A etc. 6 Type B functions: With these functions, the function key is pressed and then the value is entered. , 3 , log, In, ex, 10x, sin, cos, tan, sin1, cos1 , tan1, sinh, cosh, tanh, sinh1, cosh1, tanh1, () 7 Abbreviated multiplication for mat in front of Type B functions: 2 3, Alog2 etc. 8 Permutation and combination: nPr, nCr 9 , 0 , *Operations of the same precedence are performed from right to left. exIn 120 > ex{In( 120)} Other operations are performed from left to right. *Operations enclosed in parentheses are performed first. k Stacks This calculator uses memory areas, called “stacks,” to temporarily store values (numeric stack) and commands (command stack) according to their precedence during calculations. The numeric stack has 10 levels and the command stack has 24 levels. A stack error (Stk ERROR) occurs whenever you try to perform a calculation that is so complex that the capacity of a stack is exceeded. E-27 k Power Supply The type of batter y you should use depends on the model number of your calculator. < fx-85W/ fx-85WA / fx-300W> The TWO WAY POWER system actually has two power supplies: a solar cell and a G13 Type (LR44) button battery. Normally, calculators equipped with a solar cell alone can operate only when relatively bright light is present. The TWO WAY POWER system, however, lets you continue to use the calculator as long as there is enough light to read the display. •Replacing the Battery Either of the following symptoms indicates battery power is low, and that the battery should be replaced. •Display figures are dim and difficult to read in areas where there is little light available. •Nothing appears on the display when you press the 5 key. •To replace the battery 1 Remove the six screws that hold the back cover in place and then remov e the back Screw Screw cover. 2 Remove the old battery. 3 Wipe off the sides of new battery with a dry, soft cloth. Load it into the unit with the positive kside facing up (so you can see it). 4 Replace the back cover and secure it in place with the six screws. 5 Press 5 to turn power on. Be sure not to skip this step. E-28 < fx-350TL> This calculator is powered by single G13 Type (LR44) button battery. •Replacing the Battery Dim figures on the display of the calculator indicate that batter y power is low. Continued use of the calculator when the batter y is low can result in improper operation. Replace the battery as soon as possible when display figures become dim. •To replace the battery 1 Press i to turn power off. Screw 2 Remove the two screws that hold the battery cover in place and then remove the batter y cover. 3 Remove the old battery. 4 Wipe off the side of new battery with a dry, soft cloth. Load it into the unit with the positive k side facing up (so...
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