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2024 Ctifree Big Calculator Keyboard 14 Digit Dual Power Handheld 2 Degrees Tilt Angle Large Electric Calculator for Diary

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Precision Calculations: The CTIFREE CT-140E calculator is designed for high-precision tasks, with its 14-digit display capable of handling complex calculations efficiently.
  • Versatile Calculation Modes: Equipped with multiple display modes, including standard arithmetic, scientific, and financial functions, this calculator caters to diverse computational needs.

Key features

  • 1. Advanced Material Technology

  • With a durable plastic body, the CTIFREE calculator ensures long-lasting use in demanding environments, featuring a soft, non-slip button design for comfortable operation.

  • 2. Interactive Design

  • With a large, clear 14-digit LCD display, you can perform complex calculations with high precision, making it ideal for financial, scientific, and engineering tasks.

  • 3. Superior Performance Parameters

  • With dual power supply options—solar and battery—the calculator provides reliable functionality in various lighting conditions, ensuring uninterrupted performance.

  • 4. Versatile Scenario Solutions

  • With multiple display modes and a check function, you can adapt to different calculation needs, from standard arithmetic to specialized financial operations, suitable for office, school, or business use.

  • 5. Certified Quality Assurance

  • With RoHS, CE, and FCC certifications, you can have confidence in the calculator's eco-friendly and safety standards, guaranteeing compliance with international regulatory requirements.

Product details

2024 Ctifree Big Calculator Keyboard 14 Digit Dual Power Handheld 2 Degrees Tilt Angle Large Electric Calculator for Diary

The 2024 CTIFREE Big Calculator is designed with a large 14-digit display and dual power supply, combining solar and battery sources for reliable performance. This high-precision desktop calculator is ideal for office, business, and school environments, offering multiple display modes and a range of features to enhance user experience.

Technical specifications

FeatureSpecificationBenefit
Display14-Digit Large LCDHigh precision for complex calculations
Power SourceSolar and BatteryReliable in various lighting conditions
MaterialDurable PlasticLong-lasting and lightweight
CertificationRoHS, CE, FCCCompliance with international standards
Application ScenariosOffice, Business, SchoolVersatile use across multiple environments

Customization guide

With customizable buttons, you can adapt the calculator for specific tasks, allowing for efficient and tailored calculations to meet unique business or academic needs.

Get inspired

With its large display and dual power options, the CTIFREE calculator ensures clarity and reliability, inspiring confidence in every calculation, whether in a busy office or a dynamic classroom setting.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Display Size12-Digit14-Digit16-Digit
Power SourceBattery OnlySolar & BatterySolar & Rechargeable
PrecisionStandardHighUltra High

Supplier's note

The introduction of the 14-digit display is a significant technical breakthrough, offering unmatched precision for financial and scientific calculations. The dual power supply ensures uninterrupted operation, making it ideal for diverse environments. The Pro Model's enhanced precision and rechargeable capabilities are perfect for professionals needing top-tier performance, while the Advanced Model offers a balanced solution for everyday use. With its durable construction and compliance with RoHS, CE, and FCC standards, the CTIFREE calculator is a reliable choice for any setting.

Frequently asked questions

  • Which CTIFREE calculator model is best for office use?

  • How do I clean my CTIFREE CT-140E desktop calculator?

  • What are the benefits of using a dual power supply calculator like the CTIFREE CT-140E?

  • Can I customize the functions on the CTIFREE CT-140E calculator?

  • Is the CTIFREE CT-140E calculator suitable for scientific calculations?

  • How does the auto-replay feature of the CTIFREE CT-140E benefit users?

  • Is the CTIFREE CT-140E calculator RoHS, CE, and FCC certified?

  • What makes the CTIFREE CT-140E calculator's display unique?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Silent OperationOpen-plan offices43 dBA (quieter than refrigerator hum)Reduces ambient noise levelsMay not be suitable for high-noise environments
Chemical-ResistantLaboratory environmentsWithstands 50+ chemical exposures (ASTM D543)Durable in harsh chemical conditionsTypically more expensive than non-resistant types
Medium WeightPortable fieldwork285 GSM (ISO 3801)Easy to carry and transportMay not offer as much protection as heavier models
Precision DisplayFinancial calculations14-Digit Precision (enables high-accuracy results)Suitable for complex computationsLarger size may reduce portability
Energy EfficiencyVaried lighting conditionsDual Power: Solar & Battery (ensures continuous use)Reliable power source in diverse environmentsInitial cost may be higher
User VerificationEducational settingsCheck Function (verifies calculation accuracy)Reduces error rates in critical applicationsAdditional complexity in operation

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