HP 12C FINANCIAL CALCULATOR OR BA II PLUS
For example, exponentiation first, then mult/div and finally plus or minus. In AOS logic, the mathematical hierarchy of operations is respected. In Chn, an expression is evaluated left to right. A tradition with TI is the choice between Chn and AOS input logic. One of the reasons people use RPN calculators is to avoid input and calculation errors. A crisper, more modern sound would be welcome. It also seems to slow down keyboard input.
The clicker sound is long, harsh, and sounds old fashioned. The only setting there is the key clicker. Rather, one has to go to the iPhone's settings page and scroll down to BA II Plus. Unlike many calculators, the settings aren't accessed with a special key or badge on the face. Instead, I'll focus on some of the nuances. I'll trust that TI implemented those without error in this quick look review. One has to actually read the User Guide to fully exploit the calculator's various financial functions. This calculator has a myriad of financial, statistical and a few scientific functions. While the implementation is superb, small details detract slightly from the product. On September 14, TI released the iPhone (and iPod touch) app, identical to the physical calculator. Along with the Hewlett Packard HP-12c, The Texas Instruments BA II Plus financial calculator has been a steadfast companion for business students, real estate agents, and money managers for years.
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