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Best Calculators for Engineering

Out of thousands of reviews for 96 products, over 200 people recommended Calculators specifically for Engineering. These are the most highly recommended products we found.

No 1 HP HP 33s Scientific
Hewlett Packard HP 33s Scientific Calculator
Best Price: $32
  • Without Adapter
  • With Case
  • Without Currency Exchange
  • With Last Digit Erase
  • Released over 3 years ago
4.5 Stars (261 Reviews)
"excellent product for simple engineering calculations.…"

- A Customer from Longview, WA at Buy.com

"however, any serious scientist or engineer (such as myself) always keeps a trusty calculator close-at-hand for quick work in the office or field.…"

- lindguini from Los Angeles, CA at Buy.com


No 2 Casio FX-115ES Scientific
Casio FX-115ES Scientific Calculator
Best Price: $18
  • With Last Digit Erase
  • Power Source: Battery / Solar
  • Size: Handheld
  • With Case
  • Released over 3 years ago
4.5 Stars (56 Reviews)
"needed one scientific calculator that could meet my calculation requirements throughout my engineering studies.…"

- mic_gatech at Pricegrabber.com

"also it is an accepted calculator at the fundamentals of engineering exam…"

- Amazon.com User


No 3 Sharp EL-506WBBK Scientific
Sharp EL-506WBBK Scientific Calculator
Best Price: $12
  • With Last Digit Erase
  • Power Source: Battery / Solar
  • Size: Handheld
  • With Case
  • Released over 3 years ago
5.0 Stars (36 Reviews)
"this is an excellent calculator, particularly for engineering functions that require polar-rectangular conversions, where it solidly trounces even the ti-89 titanium for convenience.…"

- Amazon.com User

"this calculator is a good scientific based one with lots of great features for use in just about any engineering discipline.…"

- Amazon.com User


Compare Top Calculators for Engineering All Engineering Calculator Products

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Calculators for Engineering Buying Guide


There are two main types of calculators suitable for engineering: scientific calculators and graphing calculators. Scientific calculators often have a two line display, and while they offer a wide range of functions, they are not as versatile as graphing calculators. Scientific calculators are usually capable of calculating functions for trigonometry and algebra as well as a variety of basic math functions. Compared to graphing calculators they are more economically priced and are often easier to use than the more complicated graphing kind .


Graphing calculators have become essential in the math and engineering worlds. They are now required in most high schools and some middle schools. They are more expensive and difficult to use than scientific calculators, but they are capable of far more complex calculations in a wider range of fields. Graphing calculators offer a large square display capable of showing graphs of functions. They can be connected to a large number of peripheral units that can be used in fields like chemistry and biology, and they can connect to a computer for easy graph transferral.



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