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Resumen del manual
•No error occurs when the result is within the range of (11099)to (11099). Instead, the display shows all zeros. kPower Supply •fx-82SOLAR/fx-260SOLAR This calculator is powered by a solar cell that converts available light into electrical power. Solar Cell Precautions •The solar cell requires at least 50 lux of light to provide power. • If available light is too low, the display may become dim, calculation functions may become impossible, or the contents of the independent memory may be lost. If this happens, move to an area with more light. •fx-85B/fx-280 This calculator is powered by the CASIO TWO- WAY POWER system, which makes it possible for the calculator to operate even in total darkness. • The calculator retains memory contents no matter what the lighting conditions. • The TWO-WAY POWER system uses two power sources: a solar cell and a single G13 Type (SR44 or LR44) battery. •Weak batter y power is indicated when memory contents spontaneously clear, or when the display darkens under poor light and cannot be restored by pressing 5. — 27 — Important! Incorrect use of batteries can cause them to burst or leak, possibly damaging the calculator. • Be sure to replace the battery at least once every three years, regardless of how much the calculator is used. Old batteries may leak, causing serious damage to the interior of the calculator. • The battery that comes with the calculator when you purchase it is for testing only. It may not provide full service life. • Low bettery power can cause memory contents to become corrupted or lost completely. Always keep written records of all important data. •Always be sure to load the battery with its positive () side facing up (so you can see it). •Never try to charge batteries, take them apart, or allow them to become shorted. Keep batteries away from direct flame and heat. • Keep batteries out of the reach of small children. If swallowed, consult with your physician immediately. Screws To replace the batter y 1. Remove the screws that hold the back cover in place, and then remove the cover. 2. Remove the old battery. 3. Install a new battery, making sure that the positive () side is facing up (so you can see it). 4. Replace the back cover and secure it in place with the screws. Screws Battery — 28 — 5. Press t to turn power on. kOrder of Operations and Levels Operations are performed in the following order of precedence. 1. Functions 2. xy, x1/y, R >P, P >R, nPr, nCr 3. , 4. , •Operations with the same precedence are performed from left to right, with operations enclosed in parentheses performed first. If parentheses are nested, the operations enclosed in the innermost set of parentheses are performed first. •Registers L1 through L6 store operations. There are six registers, so calculations up to six levels can be stored. •Each level can contain up to three open parentheses, so parentheses can be nested up to 18 times. • Example: The following operation uses 4 level...
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