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Best Buy customers often prefer the following products when searching for function calculators.

A calculator may not be a necessity for everyone, but it can certainly come in handy. Whether you're looking to balance your checkbook, crunch the numbers on a big purchase, or just want to know how much you're paying for a bill, there's a calculator out there designed for your needs. Browse the top-ranked list of function calculators below along with associated reviews and opinions.

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  1. Casio - Portable Calculator - Silver - Front_Zoom

    Model: SL310SV
    SKU: 5947234
    Top comment

    "casio portable calculator...Nice calculator and very low price. does all needed functions...It priced nicely and the quality of this products shines. It functions perfectly and does calculations without any other extra keystrokes like some other calculators I've used. "

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    Product Description

    Do basic math with this Casio 10-digit standard function calculator. Its large display and buttons make it easy to use, and it's powered by the sun, with backup batteries when you need to keep working at night. This Casio 10-digit standard function calculator comes with a wallet-style case for easy transport.
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    Top comment

    "casio portable calculator...Nice calculator and very low price. does all needed functions...It priced nicely and the quality of this products shines. It functions perfectly and does calculations without any other extra keystrokes like some other calculators I've used. "

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    Product Description

    Do basic math with this Casio 10-digit standard function calculator. Its large display and buttons make it easy to use, and it's powered by the sun, with backup batteries when you need to keep working at night. This Casio 10-digit standard function calculator comes with a wallet-style case for easy transport.
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  2. Casio - Desktop Calculator - Silver - Front_Zoom

    Model: 8-DIGIT DESKTOP CALCULATOR
    SKU: 3395221
    Top comment

    "Very functional calculator...It has so many functions, you have to read the instructions carefully to be sure you are in the function you need. ...Easy to use and reliable. Extra memory functions...Has the memory function that I needed. I would recommend this Casio handheld calculator."

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    Product Description

    Get a reliable sun-powered tool with this Casio mini solar calculator. Its attractive silver metallic finish and large number display make it easy on your eyes, and the independent memory and built-in functions save time. This 8-digit Casio mini solar calculator has tax and currency options to help with accounting needs.
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    Top comment

    "Very functional calculator...It has so many functions, you have to read the instructions carefully to be sure you are in the function you need. ...Easy to use and reliable. Extra memory functions...Has the memory function that I needed. I would recommend this Casio handheld calculator."

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    Product Description

    Get a reliable sun-powered tool with this Casio mini solar calculator. Its attractive silver metallic finish and large number display make it easy on your eyes, and the independent memory and built-in functions save time. This 8-digit Casio mini solar calculator has tax and currency options to help with accounting needs.
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    See all Calculators
  3. Texas Instruments - TI-Nspire CX II Handheld Graphing Calculator - Front_Zoom
    Top comment

    "Calculator...Excellent calculator with many functions, particularly the graphing function....Great functions...Great functions provided by this calculator. It is also easy to use."

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    Product Description

    Perform complex mathematical operations with this TI-Nspire CX II graphing calculator. The high-resolution LCD screen displays vivid graphics, easy-to-see formulas and statistical data representations, enhancing comprehension. This TI-Nspire CX II graphing calculator can be used in ACT and SAT, PSAT/NMSQT and AP exams, supporting students when they need it most.
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    Top comment

    "Calculator...Excellent calculator with many functions, particularly the graphing function....Great functions...Great functions provided by this calculator. It is also easy to use."

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    Product Description

    Perform complex mathematical operations with this TI-Nspire CX II graphing calculator. The high-resolution LCD screen displays vivid graphics, easy-to-see formulas and statistical data representations, enhancing comprehension. This TI-Nspire CX II graphing calculator can be used in ACT and SAT, PSAT/NMSQT and AP exams, supporting students when they need it most.
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    See all Calculators
  4. HP - Prime Handheld Graphing Calculator - Black - Front_Zoom

    Model: 2AP18AA#ABA/HPPRIME#INT
    SKU: 6348951
    Top comment

    "Great programmable calculator...Stand-alone solutions to carry on critical functions include pocket calculators, slide rules, etc. ...Love this calculator...Love RPN calculators and this is the best of the bunch."

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    Product Description

    Manipulate advanced graphs and geometric images with precision using this HP Prime graphing calculator. The powerful CAS system computes complex calculations on a spreadsheet, while the integrated tool suite with a graphing app lets you plot graphs in x and y, including inequalities. This HP Prime graphing calculator features a colored touch screen for quick and intuitive application.
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    Top comment

    "Great programmable calculator...Stand-alone solutions to carry on critical functions include pocket calculators, slide rules, etc. ...Love this calculator...Love RPN calculators and this is the best of the bunch."

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    Product Description

    Manipulate advanced graphs and geometric images with precision using this HP Prime graphing calculator. The powerful CAS system computes complex calculations on a spreadsheet, while the integrated tool suite with a graphing app lets you plot graphs in x and y, including inequalities. This HP Prime graphing calculator features a colored touch screen for quick and intuitive application.
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  5. Texas Instruments - TI-84 Plus Graphing Calculator - Blue - Front_Zoom
    Top comment

    "Great Graphing Calculator and Math solving...Calculator works perfect for graphing functions. Got it for my daughter so she could better learn Algebra and Trigonometry problems, from a function perspective and seeing the outcome. ...Good Calculator, but a bit pricey...This calculator has a lot of functions that most people wont even use. "

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    Product Description

    Calculate your way to the top of the class. Ideal for advanced high-school math and science classes.
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    Top comment

    "Great Graphing Calculator and Math solving...Calculator works perfect for graphing functions. Got it for my daughter so she could better learn Algebra and Trigonometry problems, from a function perspective and seeing the outcome. ...Good Calculator, but a bit pricey...This calculator has a lot of functions that most people wont even use. "

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    Product Description

    Calculate your way to the top of the class. Ideal for advanced high-school math and science classes.
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  6. Texas Instruments - Scientific Calculator - Blue - Front_Zoom

    Model: 30XSMV/TBL/1L1/A
    SKU: 8837878
    Top comment

    "Great calculator...I enjoy the many functions this calculator provides....Good calculator...Decent calculator supports all the normal functions and reliable."

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    Product Description

    Texas Instruments TI-30XS Scientific Calculator - 16 Character(s) - LCD - Solar, Battery Powered
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    Top comment

    "Great calculator...I enjoy the many functions this calculator provides....Good calculator...Decent calculator supports all the normal functions and reliable."

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    Product Description

    Texas Instruments TI-30XS Scientific Calculator - 16 Character(s) - LCD - Solar, Battery Powered
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  7. Texas Instruments - BA-II Plus Adv. Financial Calculator - Black - Front_Zoom
    Top comment

    "Great calculator...Great standard financial calculator that does the necessary functions needed....Awesome calculator, it functions perfectly and does the job"

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    Product Description

    Easy-to-use Financial Calculator solves time-value-of-money calculations such as annuities, mortgages, leases, savings, and more. Generate amortization schedules. Compute NPV, IIR, break-even calculations, interest conversions, delta percent, profit and loss, cost, selling price, margin and markup. Performs cash-flow analysis for up to 24 uneven cash flows with up to four-digit frequencies. Calculator offers depreciation schedules; two day-count methods (actual or 30/360) to calculate bond price or yield to maturity or to call; list-based one-variable and two-variable statistics with four regression options: linear, logarithmic, exponential and power. Math functions include trigonometric calculations, natural logarithms, and powers. Design also features 10-digit display and 10 user memories. Automatic power-down conserves power. Calculator includes a protective slide case and one lithium 2032 battery.

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    Top comment

    "Great calculator...Great standard financial calculator that does the necessary functions needed....Awesome calculator, it functions perfectly and does the job"

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    Product Description

    Easy-to-use Financial Calculator solves time-value-of-money calculations such as annuities, mortgages, leases, savings, and more. Generate amortization schedules. Compute NPV, IIR, break-even calculations, interest conversions, delta percent, profit and loss, cost, selling price, margin and markup. Performs cash-flow analysis for up to 24 uneven cash flows with up to four-digit frequencies. Calculator offers depreciation schedules; two day-count methods (actual or 30/360) to calculate bond price or yield to maturity or to call; list-based one-variable and two-variable statistics with four regression options: linear, logarithmic, exponential and power. Math functions include trigonometric calculations, natural logarithms, and powers. Design also features 10-digit display and 10 user memories. Automatic power-down conserves power. Calculator includes a protective slide case and one lithium 2032 battery.

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  8. Texas Instruments - Scientific Calculator - Front_Zoom

    Model: TI-30XIIS
    SKU: 3667213
    Top comment

    "Good basic calculator...Bought for use in simple math. Most calculators have many unnecessary functions....Excellent Calculator...It was one of the recommended calculators for school and he loves it. Works well, plenty of functions and good build quality."

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    Product Description

    Scientific calculator with equation recall combines statistics and advanced scientific functions. Two-line display shows entries on the top line and results on the bottom line. Entry line on the top of the display shows up to 11 characters and can scroll left and right up to 88. Result line on the bottom shows up to a 10-digit answer and 2-digit exponent. Functions include common/natural logarithms, fractions, fraction/decimal conversions, degrees to decimal conversion, reciprocals, factorials, grads, hyperbolics, polar/rectangular conversions. Fraction feature allows operations with fractions and mixed numbers. Two-variable statistics allow you to enter, delete, insert, and edit individual statistical data elements. Calculator runs on solar and battery power.
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    Top comment

    "Good basic calculator...Bought for use in simple math. Most calculators have many unnecessary functions....Excellent Calculator...It was one of the recommended calculators for school and he loves it. Works well, plenty of functions and good build quality."

    See all customer reviews

    Product Description

    Scientific calculator with equation recall combines statistics and advanced scientific functions. Two-line display shows entries on the top line and results on the bottom line. Entry line on the top of the display shows up to 11 characters and can scroll left and right up to 88. Result line on the bottom shows up to a 10-digit answer and 2-digit exponent. Functions include common/natural logarithms, fractions, fraction/decimal conversions, degrees to decimal conversion, reciprocals, factorials, grads, hyperbolics, polar/rectangular conversions. Fraction feature allows operations with fractions and mixed numbers. Two-variable statistics allow you to enter, delete, insert, and edit individual statistical data elements. Calculator runs on solar and battery power.
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  9. Texas Instruments - TI-84+ CE Graphing Calculator - Black - Front_Zoom
    Top comment

    "Great calculator for students...My sons high school requires the use of scientific calculators & this model is perfect. Price is right & has multiple functions....it can do pretty much anything but some simple functions are harder than regular calculators."

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    Product Description

    Master the ACT, SAT, PSAT/NMSQT or AP exams with the help of this Texas Instruments TI-84+ CE Graphing Calculator, which features a sequence graphing mode that shows time series plots, cobweb or stairstep plots and phase plots.
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    Top comment

    "Great calculator for students...My sons high school requires the use of scientific calculators & this model is perfect. Price is right & has multiple functions....it can do pretty much anything but some simple functions are harder than regular calculators."

    See all customer reviews

    Product Description

    Master the ACT, SAT, PSAT/NMSQT or AP exams with the help of this Texas Instruments TI-84+ CE Graphing Calculator, which features a sequence graphing mode that shows time series plots, cobweb or stairstep plots and phase plots.
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    See all Calculators
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