For example, the log 10 of 1000 is 3 and then the antilog 10 of 3 is 1000. The log 10 is the power of 10 of the number. In intro chem we most often use base 10 logs (log 10), for example with pH. You must follow the SCI or FIX key with a single digit (0-9) specifying the number of decimal places.į-shift SCI 4 - sets the display to scientific notation with four decimal places.į-shift FIX 0 - sets the display to fixed decimal notation with zero decimal places. The FIX key (f-shift 7) sets the display to fixed decimal notation. The SCI key (f-shift 8) sets the display to scientific notation. (Some calculators also have an option for "Engineering notation", which is a variation of Scientific notation. Many calculators allow you to set the number of decimal places displayed. HP-11C Most scientific calculators allow you to "force" the display to use (or to not use) scientific notation. What is the key for making an exponent negative? When entering a number that starts with 1x in scientific notation, do you need to enter the 1? (e.g., 1x10 12) HP-11C What is the label on the key for entering exponents? * The key for making an exponent negative is the same key used for entering negative numbers. Do you need to enter the 1 to get the correct answer, 2x10 12? Do it twice, once with the first 1 and once without it. * A special case concerns entering a number that starts with 1x in scientific notation: do you need to enter the 1? Try it. Identify the key used to enter the exponent. HP-11C What is the label on the "shift" key(s) Shift keys are used to get the second (or third) function for a particular key. Otherwise, you will figure that out later on the form. If you know which type yours is, you can write that here. This calculator has an ENTER key (big key, middle of bottom row), and does not have an = key.Īlgebraic calculators can be further subdivided into AOS and DAL. On an RPN calculator, you type "2 ENTER 3 +". To add two numbers (say, 2 & 3) on an algebraic calculator, you type the keys "2 + 3 =". Does your calculator use algebraic or RPN (reverse Polish notation) logic? How do you tell? An algebraic calculator has an = key An RPN calculator has an ENTER key. (Provided by the author of this page.)īottom of page return links and contact information It is backed by a limited one-year warranty.- Picture of HP-11C keyboard. the 48gII is easy to transport and has a small 7.2-by-3.4-by-0.9-inch frame. The built in serial and IrDA ports let you communicate with a computer, another 48gII, or a 49g+ calculator, allowing you to store and analyze information and utilize PC-based applications. An automatic power down feature helps maximize battery life, while 80.7 KB of user available memory provides space to store variables, expressions, and formulas for improved functionality. The 48gII comes with over 2,300 built-in functions, including vector operations, math functions, scientific functions, graphing functions, statistical functions, programming functions, 3D graphing, 2D and 3D plots, and much more. The 131-by-64-pixel display is easy to see, while the textbook, traditional algebraic, and RPN entry modes provide an easy way to enter data and navigate the calculator's many features. With its large built-in library of functions and structured programming for creating applications, the 48gII is a powerful computational tool. The 48gII from HP is a graphing calculator designed for engineering, surveying, math, science, and statistics applications.
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