Many manufacturers guarantee these devices for one or two years, and it's not uncommon for retailers to sell additional coverage. Some models feature tiny solar panels, and printing calculators typically have AC electrical cords.Įven if you need to pay for shipping, the limited size and weight of a calculator makes it relatively easy to take advantage of a warranty. To conserve energy, many units automatically turn off after a period of inactivity. Most financial calculators run on AAA, LR44, CR2032 or CR2 batteries. This convenient function may slightly increase power consumption. If desired, the built-in clock can sound an alarm at a specific time. You will probably only find this feature on a few high-end models.
Some calculators keep track of the current time and date. A soft fabric pouch can minimize scratching, but hard cases are more likely to prevent impact damage. If you plan on bringing your calculator to classrooms, multiple offices or clients' homes, find a model that comes with a case. Units with integrated printers usually feature lighted screens, don't provide many specialized functions and have bulky designs. Nonetheless, this hardware proves useful when you want to keep a record of your calculations without taking the time to write them down. The only major drawback is decreased portability due to the unit's larger size.įew financial calculators offer built-in printers or external printer ports. This makes it easier to type in lengthy formulas and review information that you previously entered. Some models have the ability to simultaneously display two, three or four lines. Bigger digits enhance readability, especially if the unit also features a contrast control. Look at the dimensions of the screen as well. Choose a 12-digit model if you plan on entering any numbers that include precise fractions or exceed 9.99 billion. Most of these devices can show 10 or 12 digits at a time.
If you've never used a financial calculator, try to select a product that includes toll-free technical support and detailed directions. Some brands prioritize beginners when they design buttons, interfaces and instruction manuals. If you don't plan to perform advanced calculations, there's no need to worry about notation methods.Ĭertain models are comparatively simple to operate. Some people find it faster and easier to use RPN. However, a few units accept reverse Polish notation.
Most financial calculators will only allow you to enter equations algebraically. More functions boost a device's versatility as well as its complexity and cost. They handle math problems ranging from depreciation to internal rate of return. On the other hand, sophisticated models often have 100, 120 or over 200 functions. Some basic units can only perform a few specialized financial tasks in addition to standard calculations. However, the usefulness of a calculator varies greatly depending on the specific model's design and features. This electronic device helps people calculate mortgage payments, taxes, profit margins, interest income and much more. Financial calculators can come in handy for just about anyone, but they're most useful for college students and professionals who work in the finance sector.
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