The battery might go dead when you are in the middle of something.
Perhaps you have to change the battery. It is also possible that the calculator is damaged.
The TI 84 Plus graphing calculator takes 4 AAA batteries as well as a back up button cell battery to ensure that just because the batteries die does not mean the learning or storing has to.
"The TI-1766 had solar cells that eliminated the need for batteries and powered the calculator indoors and out." See http://www.thocp.net/hardware/ti_calculators.htm
Standard AA batteries work fine. Use 2 in series. Get the polarity right, positive pole nearest the center of the calculator, negative pole nearest the top. Put in a small piece of aluminum shim or foil on the plastic side to link them together. I've been doing this for 20 years and still use my 33E every day. One tough calculator.
THROUGHOUT HISTORY CASIO MANUFACTURED DIFFERENT KINDS OF CALCULATORS:BUT THERE IS A HUGE DIFFERENCE BTEWEEN CALCULATOR IP:9983726540 OR WHAT IS KNOWN AS CASIO FX-570ex PLUS AND CALCULATOR IP:9836726391 OR WHAT IS KNOWN AS CASIO FX-991ex PLUSFIRST CASIO FX-570ex PLUS IS MAINLY MADE IN CHINA OR MOST PROBABLY IN SIRILANKA AND YOU CAN DIRECTLY KNOW FROM THE STINKY RUSTY SMELL EMERGING FROM THIS PIECE OF GARBAGE WHICH IS MAINLY USED BY LOSERS AND GARBAGE MAN BUT ON THE OTHER HAND CASIO FX-991ex PLUS IS A HIGHLY SOPHISTICATED CALCULATOR DISIGNED ESPECIALLY FOR GREAT THINKERS AND GS STUDENTS ALL OVER THE WORLDSECOND AND FINALLY UNLIKE FX-570ex PLUS, CASIO FX-991ex PLUS IS UNIQUELY PURCHASED WITH ITS OWN SOLAR POWER YESSS ITS OWN SOLAR POWER THAT HELPS TO INCREASE THE POWER IN ITS REMARKABLE GOLD BATTERY AND ITS SILVER BULLET PROOF CASE UNLIKE THE FX-570ex PLUS'S CASE WHICH IS MADE OF CHEEP PLASTIC PAINTED TO SEEM LIKE AN ALUMINUM FOIL
1970
how to know the battery lifes for casio fx-570ms
BOB means a Battery Operated Buddie, Battery Operated Belie, or Battery Operated Boyfriend.
The weight of the batteries. The distance between recharges isn't very far. The cost of replacing batteries.
what is the transformation of energy in battery-operated radio
what is the transformation of energy in battery-operated radio
Yes ,rolex makes battery operated watches.
how do I convert my electric wall sconce to battery operated
Grandfather clocks,are not electrical or battery operated.
KitchenKapers.comMr. Dudley Battery Operated Peppermill with Light 6010$29.99
A battery-operated smoke detector is one which is not connected to your homes power supply.
that is battery operated