This is fabulous. Have read the prior reviews and have not experienced any of the issues mentioned by others. Key stroke entry is great, solid feel, no problem with going fast or duplicate entries. The reason I say to stay away from the HP 12C is that you do not know when you need the maual, and you DO need the manual to do basic calculations, even small variations of the same calculation. For example, if you calculate a very basic loan payment with a term of 48 months, 5% monthly interest and $20,000 principal value on this TI and the HP 12C, you will get the same answer. However, if you change the term to 48.5 months, you get a different answer on the TI than the HP 12C. The TI answer is correct, but the HP 12C answer is not. In order to get the right answer on the HP 12C, you need to read the manual in order to input a term with a decimal place in it like 48.5 months. In other words, on the HP 12C, you do not input a term with a decimal place the same way you input a term without a decimal place. The underlying problem is that you just don't know when you need the manual for the HP12C and when you don't. It's always a safe bet to use the TI, and that is why it is allowed on so many professional exams. Not sure if other HPs have similar problems but I would not want to chance it on an exam.Get more detail about Texas Instruments BA II Plus Professional Financial Calculator.
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