Does the calculator required battery
2061063
It does have a battery but I have never changed it in years and it still works perfectly because it also uses solar power. So you don't have to worry about changing batteries.
522633
This calculator has a dual power source: a photovoltaic cell used when there is sufficient light, and a battery for use when the light level is low. The battery is a LR44 (or equivalent) button cell. You have to remove the back of the case (seven philips-head screws) to get to the battery. The recommended replacement interval is every three years. This information is on pages 14 and 16 of the "User's Guide 2 (Additional Functions)" manual that comes with the calculator. By the way, I have had mine since July 2005 and I still use it regularly.
2061064
there's a battery inside already, and it's solar powered, so no extra battery needed
377072
The calculator uses two 3Volt CR2032 batteries. And is very easy to change by simply opening the battery cover on the back side.
138749
The Nspire has a built-in rechargeable battery and comes with a recharger and USB cable. The calculator will also recharge from other USB chargers or from a computer's USB port. Battery life is quite good. I've used mine for several days at a stretch without needing to recharge.
2058334
Yes it requires batteries but it broke on Christmas day last year when my daughter opened it and tried to play with it.
1283248
No, it does not require batteries. Just plug it in. It has a nice storage area for the cord underneath also.
1060588
It uses CR2032 batteries, a very common calculator battery. We usually get a whole bunch of them since so many small devices around the house use them.
663767
Yes it does. It comes with a 2032 Button battery pre-installed and ready to use. Just pull out the plastic ribbon to activate the battery. Mine has been through several power outages and is still going strong. The battery is located inside the main door on the side of the interior door that houses the controls and display.
1173849
Yes; because the calculator works on solar and/or battery, the display is readable in dim lighting.
338997
Yes the battery was included. Very neat little gadget not fancy but accurate.
772870
Yes it does need batteries. I gave this to my grandson about a year ago and I can't remember what type of batteries it takes but he loved it.
80264
No, batteries lasted many years. I'm glad it came with the batteries installed, my wife was the one who unpacked it and she would have broken the calculator trying to put batts in. HAHAHA
515232
No batteries required. Generally, ordinary daylight is quite sufficient. In the nighttime an ordinary electric lamp is enough. It's a great little calculator for a very reasonable price.
644011
The whole calculator is shut off automatically after 8 minutes of idleness, to save battery. So the memory is only going to be good for 8 minutes, not all day. If you need the number all day, it might be easiest to just put it on a Post-It.
791834
It is my understanding battery is included. It requires very little light to operate, so you do not even need a battery. My calculator works fine with a fluorescent desk light as a light source. Just checked and calculator works in the dark as well, so battery is included. Do not recommend attempting to change battery. Your calculator will last a very long time without the battery. Only need battery power if you do not have enough light. If you still insist on messing with battery, very small screws on located on back.
903575
No. The batteries only keep the current time and date. There is a computer chip in the clock which stores all the programming.
1579674
No, it does not need a battery. I did not put a battery in mine and it worked fine.
1986405
he HP 35s calculator takes two 3-volt CR2032 lithium coin batteries. Expected life depends on usage. I use almost everyday at job, and my previous calc lasted 5+ years.