Top 20 Casio MJ-120T-W Electronic Calculator BIG DISPLAY Solar Tax Calculator - Page 5 Questions & Answers

get a new calculator.

Look for the DMS key (degree, minute second).

You cannot. It is just a scientific calculator not a scientific graphing calculator.

Casio has most of their calculator and adding machine manuals available here: http://support.casio.com/en/manual/manuallist.php?cid=004 . Select Printing Calculators in the first drop-down menu. Then select the HR-100TM/HR-150TM in the second drop-down menu. Press the Search button. This should get you to the product support page: http://support.casio.com/en/manual/manualfile.php?cid=004016014 . The direct link to the user manual is currently http://support.casio.com/en/manual/004/HR-100TM_HR-150TM_WC_EN.pdf . I hope this helps. Cindy Wells

Hour, Minute, Second

I suggest you play with key combinations (Shift + some key) to discover if there is any beautiful template that gets generated by it.

Graphical memory error, probably. You are using too many points (values ) of the x-variable. The step (increment) is too small.

Choose the computational mode as Standard Deviation or Statistics, Enter your values and press the keys x_bar or other to get the measures you are looking for.

With a number displayed, pressing the M+ key adds the displayed number to the contents of the running memory, and stores the result. Pressing the M- key subtracts the displayed number from the memory and stores the result in the running memory.

hi meredyth. try this link out. manual for Casio HR 100TM Google Search

When it is time for you to put an expression in absolute value, press the OPTN key, then F5/Num, then F1/Abs. Open parenthesis, input expression, then close parenthesis. For fractions, use the key with the symbol a b/c. A little friendly advice, please do invest some of your time reading the manual. Most Casio graphing calculators work the same way. What you learn on one, works on another.

Found the manual but nothing about the sound. If I recall sometimes the part that makes the sound can be damaged when replacing the battery, open it up and check the (little wire type vibrating bar) sound bar and adjust if necessary. http://www.casiodigitalwatches.com/manuals/0809.pdf

Just a guess on this but I would say Page/Number ...Good Luck

You should try SHIFT AC (Off).

Remove the battery.

Watch the video. Casio HR 8TM

If unit has been lobotomized, forget it.

Just as you do it by hand. To input X press Alpha key then ). The question I ask is what do you want to do? The = sign is a problem. If you do not have a second = sign (Shift =) then the calculator cannot handle the problem you want to solve.

The battery that came out of it will have a number/voltage on it... just replace it with same.. If this isn't possible, take the watch to Batteries.bulbs, etc,, they can fit it with one.

Shine a bright light on the calculator while indoors to charge up the internal battery. The solar cells don't need sunlight....just light to work.