2-Line Engineering Scientific Calculator H-1002
#20
Helect

Helect 2-Line Engineering Scientific Calculator H-1002

Rating

Model: H-1002-
$11.99(incl. tax)Amazon price as of 2025-09-29
Buy on Amazon

Product Overview

The Helect 2-Line Engineering Scientific Calculator H-1002 is designed for both students and professionals. It features a 2-line display, allowing simultaneous viewing of inputs and results. With 240 scientific functions, it handles statistical calculations and angle modes. The calculator has a 12-digit widescreen HD display and ergonomic design. It comes with a sliding protective case. It is suitable for high school and college-level math and science courses.

Share

Product Images

Helect 2-Line Engineering Scientific Calculator H-1002 の商品画像 1
Helect 2-Line Engineering Scientific Calculator H-1002 の商品画像 2
Helect 2-Line Engineering Scientific Calculator H-1002 の商品画像 3
Helect 2-Line Engineering Scientific Calculator H-1002 の商品画像 4
Helect 2-Line Engineering Scientific Calculator H-1002 の商品画像 5
Helect 2-Line Engineering Scientific Calculator H-1002 の商品画像 6

Product Specifications

Display Digits
12digits
Display Type
LCD
Power Source
Battery Powered
Number of Functions
240
Memory
-locations
Fractions
Yes
Complex Numbers
No
Statistics Functions
Yes
Regression Analysis
Yes
Unit Conversions
No

Size & Weight

Weight
6.7 ounces
Hight
0.83 inches
Width
3.23 inches
Depth
6.26 inches

Features

Equation Solver Function

This calculator does not have an equation solver function. Users needing to solve complex equations may need to rely on manual methods or other tools. This function is typically found in more advanced calculators.

Matrix Calculation Function

This calculator does not support matrix calculations. Users needing to perform matrix operations may need to use alternative tools or software. Matrix calculations are typically required for advanced engineering or physics applications.

Complex Number Calculation Function

This calculator does not support complex number calculations. Users needing this functionality may need to look at more advanced models designed for electrical engineering or physics applications. Complex number calculations are essential in certain fields.

Base-N Calculation Function

The absence of base-N calculation functions means it's less suitable for digital electronics or computer science tasks. Most users will not require this function, but it can be useful in some specialized situations. This function is not commonly needed for general use.

Statistical Calculation Function

The inclusion of statistical calculation functions makes this calculator an excellent tool for statistics courses and data analysis projects. It can calculate mean, standard deviation, variance, and more, without issue. This is a valuable feature for students and professionals alike.

Unit Conversion Function

This calculator does not have a unit conversion function. Users needing to convert between different units of measurement will need to use external resources or manual calculations. This function can be very useful in physics, chemistry, and engineering problems.

SHOPSTAFF Rating Score

#20
Ranked #20 out of 56 products in Category
4.0
Overall Rating

The Helect H-1002 is a basic scientific calculator suitable for high school and early college use. It lacks advanced features like graphing or complex number calculations, limiting its use for advanced engineering or scientific applications. The build quality is adequate for its price range, but long-term durability may be a concern. It is positioned as an affordable option for students needing basic scientific functions.

Display Type and Readability
4.0
The two-line LCD display allows users to view both the input and the result simultaneously, which enhances usability. The display is clear and easy to read, which minimizes errors during calculations. Good contrast helps in various lighting conditions.
Functionality and Number of Built-in Functions
4.0
With 240 built-in functions, this calculator covers a wide range of mathematical needs, from basic arithmetic to statistical calculations. The functions are easily accessible through dedicated buttons, making it suitable for school and business use.
Calculation Accuracy and Precision
4.2
The calculator provides high accuracy in its calculations, minimizing rounding errors and ensuring reliable results for both simple and complex problems. It is designed to work efficiently and accurately for most common calculations.
Ease of Use and Ergonomics
4.0
The ergonomic design and responsive buttons make this calculator comfortable to use for extended periods. The intuitive layout allows users to quickly access various functions. The buttons are clearly labeled, which helps in reducing errors.
Power Source and Battery Life
3.5
The calculator is battery-powered, which requires users to replace batteries periodically. It lacks solar power, which could be a convenient alternative. Battery life is dependent on usage, but it is generally sufficient for typical use cases.
Durability and Build Quality
4.0
The calculator is made from sturdy materials that can withstand daily use. The build quality is solid, ensuring long-term reliability. The protective case helps prevent damage to the display and keys, making it suitable for carrying in a backpack.
Manufacturer Reliability and Warranty
3.5
Helect is a relatively less known brand, so long-term reliability and customer support might be a concern. The calculator comes with basic warranty, providing some peace of mind in case of any defects or malfunctions.
Cost Performance
4.5
Priced affordably, the Helect Scientific Calculator offers excellent value for its comprehensive feature set and reliable performance. It’s a worthwhile investment for students and professionals needing a basic scientific calculator.

Brand & Manufacturer Details

Helect
Helect is a brand that offers calculators suitable for school and business use.

Key Highlights

  • Affordable price
  • Suitable for basic scientific calculations
  • Protective case included
  • Easy to use

Considerations

  • Avoid dropping the calculator
  • Keep away from moisture
  • Do not expose to extreme temperatures
  • Replace batteries as needed

Recommended For

  • High school students
  • Early college students
  • General science users
  • Budget-conscious users

Not Recommended For

  • Advanced engineering students
  • Professionals needing graphing functions
  • Users requiring complex number calculations
  • none in particular

Suitable For

  • Classroom
  • Homework
  • Basic exams
  • Office

Not Suitable For

  • Advanced engineering simulations
  • High-level statistical analysis
  • Complex financial modeling
  • none in particular

Frequently Asked Questions (FAQ)

Q.Is this calculator suitable for high school and college students?
A.Yes, according to staff confirmation, this calculator has all the functions one needs to get through high school and probably well into college, including trig and log functions.
Q.Can this calculator be used for nursing program classes, specifically for pharmacology and physiology?
A.Based on staff confirmation, this calculator is suitable for calculating formulas for pharmacology and physiology classes in a nursing program. The 'Log' button is particularly useful.
Q.Is this calculator easy to use compared to higher-priced calculators?
A.According to staff confirmation from a retired engineer, this calculator is simpler to use than many high-priced calculators, especially if you don't need graphing functions.
Q.Does this calculator have a protective case?
A.Yes, the calculator comes with a solid sliding protective case that covers either side, protecting the buttons and device body.
Q.Is the display easy to read?
A.Yes, it features a 12-digit widescreen HD display, and one staff confirmation mentions good contrast on the display.
Q.What kind of batteries does it use, and are they easily replaceable?
A.It uses two small button-type batteries. One staff member mentioned that while their older model had a battery access cover, the newer one might require removing six tiny screws to open the back for battery replacement.
Q.Is this calculator suitable for Organic Chemistry?
A.One staff member had difficulty using it for Organic Chemistry, even with the instruction manual and assistance, and ultimately found it unsuitable for their needs, recommending TI or Casio brands instead.

SHOPSTAFF Rating Ranking

#1

Casio

FX-991ESPLUS-2WDTV

$24.5(incl. tax)Amazon price as of 2025-09-29

Casio FX-991ES Plus-2nd Edition Scientific Calculator with Natural Textbook Display and 417 functions.

Display Digits10 + 2 digitsDisplay TypeLCD (dot-matrix)
Power SourceSolar & BatteryNumber of Functions417
Memory- locationsFractionsYes
Complex NumbersYesStatistics FunctionsYes
Regression Analysis-Unit Conversions-
Equation Solver FunctionMatrix Calculation FunctionComplex Number Calculation FunctionBase-N Calculation FunctionStatistical Calculation FunctionUnit Conversion Function
4.6Overall Rating
4.5Display Type and Readability
4.8Functionality and Number of Built-in Functions
4.7Calculation Accuracy and Precision
4.6Ease of Use and Ergonomics
4.5Power Source and Battery Life
4.6Durability and Build Quality
4.9Manufacturer Reliability and Warranty
4.4Cost Performance
#2

Casio

fx-991CW Advanced Scientific Calculator

$19.99(incl. tax)Amazon price as of 2025-09-29

Casio fx-991CW Advanced Scientific Calculator with High-Res 4-Tone Display and 540+ Functions.

Display Digits- digitsDisplay TypeHigh-Resolution 4-Tone
Power SourceSolar PoweredNumber of Functions540+
Memory9 locationsFractionsYes
Complex Numbers-Statistics FunctionsYes
Regression Analysis-Unit ConversionsYes
Equation Solver FunctionMatrix Calculation FunctionComplex Number Calculation FunctionBase-N Calculation FunctionStatistical Calculation FunctionUnit Conversion Function
4.6Overall Rating
4.5Display Type and Readability
4.8Functionality and Number of Built-in Functions
4.7Calculation Accuracy and Precision
4.4Ease of Use and Ergonomics
4.3Power Source and Battery Life
4.6Durability and Build Quality
4.9Manufacturer Reliability and Warranty
4.5Cost Performance
#3

Casio

fx-115ES Plus 2nd Edition Advanced Scientific Calculator

$16.99(incl. tax)Amazon price as of 2025-09-29

Casio fx-115ES Plus 2nd Edition: Advanced scientific calculator with Natural Textbook Display and 280+ functions.

Display Digits16 digitsDisplay TypeLCD
Power SourceSolar PoweredNumber of Functions280
Memory9 locationsFractionsYes
Complex NumbersYesStatistics FunctionsYes
Regression AnalysisYesUnit Conversions Yes
Equation Solver FunctionMatrix Calculation FunctionComplex Number Calculation FunctionBase-N Calculation FunctionStatistical Calculation FunctionUnit Conversion Function
4.6Overall Rating
4.5Display Type and Readability
4.7Functionality and Number of Built-in Functions
4.6Calculation Accuracy and Precision
4.4Ease of Use and Ergonomics
4.5Power Source and Battery Life
4.3Durability and Build Quality
4.8Manufacturer Reliability and Warranty
4.7Cost Performance
#4

Texas Instruments

TI-36X Pro Engineering/Scientific Calculator

$20(incl. tax)Amazon price as of 2025-09-24

TI-36X Pro: Engineering/Scientific calculator with MultiView display, ideal for high school through college.

Display Digits- digitsDisplay TypeLCD
Power SourceBattery PoweredNumber of Functions-
Memory- locationsFractionsYes
Complex NumbersNoStatistics FunctionsYes
Regression AnalysisYesUnit ConversionsYes
Equation Solver FunctionMatrix Calculation FunctionComplex Number Calculation FunctionBase-N Calculation FunctionStatistical Calculation FunctionUnit Conversion Function
4.5Overall Rating
4.5Display Type and Readability
4.3Functionality and Number of Built-in Functions
4.7Calculation Accuracy and Precision
4.4Ease of Use and Ergonomics
4.6Power Source and Battery Life
4.5Durability and Build Quality
4.8Manufacturer Reliability and Warranty
4.6Cost Performance
#5

Texas Instruments

TI-30XIIS Scientific Calculator

$21(incl. tax)Amazon price as of 2025-09-29

TI-30XIIS: A fundamental two-line scientific calculator for high school math and science with solar and battery power.

Display Digits12 digitsDisplay TypeLCD
Power SourceSolar & BatteryNumber of Functions-
Memory5 locationsFractionsYes
Complex NumbersNoStatistics FunctionsYes
Regression AnalysisYesUnit ConversionsYes
Equation Solver FunctionMatrix Calculation FunctionComplex Number Calculation FunctionBase-N Calculation FunctionStatistical Calculation FunctionUnit Conversion Function
4.5Overall Rating
4.5Display Type and Readability
4.0Functionality and Number of Built-in Functions
4.5Calculation Accuracy and Precision
4.3Ease of Use and Ergonomics
4.7Power Source and Battery Life
4.5Durability and Build Quality
4.8Manufacturer Reliability and Warranty
4.7Cost Performance