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Calculated Industries 4325 Heavy Calc Pro Calculator

Save time, eliminate costly errors, reduce material and labor expenses on all construction jobs.

Built-in functions quickly find solutions for Area, Volume, Weight, Slopes, Swell, and Shrink, Cut/Fill and More!

Learn more about this product here: HeavyCalc Pro Intro and How To Use

Main Features:

  • Work in and convert between all building dimensional formats, including Metric.
  • The most effective equipment, manpower planning and estimating tool you can own!
  • Work in and convert between Yard, Feet-Inch-Fraction and Metric formats!
  • Automatically calculate Areas and Volumes!
  • Square-ups and Right Angles; Percent Grade and Slope; stakeout Drops, Ramps, Trenches, much more!
  • Weight per Volume (Lbs, Tons, Kg)!
  • Find percent (%) Swell and Shrink!
  • Simplify Cut/Fill Estimates For: Engineers, Designers, Excavators, Highway and Heavy Construction Professionals.

Dimensional Math and Conversions:

  • Work in and Convert Between Any Construction-Math Formats!
  • Calculate and convert in Feet-Inch-Fractions, Decimal Yards, Feet (i.e. 10ths), Inches and Fractions, Meters and Millimeters – including Square and Cubic formats.
  • Automatically Calculate Areas and Volumes!
  • Easily find Areas and Volumes using dedicated Length, Width and Depth keys.
  • Dedicated Functions- Square-ups and Right Angles!
  • Percent Grade and Slope keys give you instant Right Angle solutions for Diagonals; easily stakeout Drops, Ramps, Trenches and More!
  • Weight per Volume (Lbs, Tons, Kg)!
  • Convert between weights and find the weight of material (i.e., Tons per Cubic Yard, etc.).
  • Find Percent (%) Swell and Shrink!
  • Quickly determine Bank, Compacted and Loose Soil Volumes for any job.
  • Simplify Cut/Fill Estimates!
  • Built-in Cut/Fill, Existing and Proposed functions make soil-volume estimates easy.
  • “Average” Function! Speeds Grid-Cell - Cut/Fill estimates.

Timesaving “Utility” Functions:

  • “Paperless” Tape! Allows you to review the last 20 entries – great for plan checks and confirming strings of dimensions.
  • Preference Setting for Fractions speed entries, Repeat operator (+, -, ÷, x) and Constant functions reduce keystrokes.
  • Per Unit key for material costing estimates.
  • Battery-Saving Auto Shut-Off.

Tech Specs:

  • Size: 5.7” x 3.0” x 0.65” (145mm x 76mm x 17mm)
  • Weight: 3.2 oz. (90.7 gm) – does not include Vinyl Case or User’s Guide
  • Power: Single 3-volt (CR-2032) Long Life Battery
  • Display Type: LCD, 11 Digits (7 Normal, 4 Fractions) with full Annunciators
  • LCD Display Dimensions: 0.73” x 2.56” (19 mm x 65 mm)
  • Accuracy: 12 Digit Internal Accuracy

Includes

  • Easy-to-follow User’s Guide
  • Protective Hard Case
  • Full One Year Limited Warranty

Package Dimensions: 8.25 in x 6 in x 1.25 in

MPN: 4325

UPC: 098584000455

This item is covered by a 1-year limited warranty against defects in materials and workmanship from the date of original consumer purchase in the United States. If a defect exists during the warranty period, Calculated Industries will replace the product at no charge.

To get started, fill out the Return Authorization Request Form on the Calculated Industries website.

Within one business day, Calculated Industries will determine if returning the product can be avoided by having the Technical Support department contact you. If a replacement or repair is determined necessary, they will provide return instructions.

To check on the status of your Repair:
Call Customer Service at 1-775-885-4900 (Hours: 7:00am-4:00pm PST)
Or contact Customer Service via email at custcare@calculated.com.

Let customers speak for us

from 269 reviews
Great company

Have ordered replacement batteries for graphing calculators on two different occasions.Very happy with the price and the shipping fees are reasonable. Each time the delivery was on time or earlier than promised. Great company to do business with.

Lisa T.
Underwood Distributing Co.
High schoolers

My high schoolers needed this calculator aid in homework and it works great.its the same one they use in their class and they are beyond happy with it.

Jennifer I.
Underwood Distributing Co.
ordering was easy--there were absolutely no problems

ordering was easy--there were absolutely no problems...I had a question about
the items ordered and some tax exempt questions, but all questions were
handled quickly and efficiently. I wish all companies were as easy to deal with.

Allen K.
Underwood Distributing Co.
Working with Underwood was a great experience

Working with Underwood was a great experience. My sales rep was responsive, patient and incredible helpful as I explored my options and refined my order. Shipping was also very quick and my products arrived in great shape. This is the second major order I've placed with Underwood and I would not hesitate to order from them again.

Zack S.
Underwood Distributing Co.
I was very impressed and pleased with my experience with Underwood Distribution Company

I was very impressed and pleased with my experience with Underwood Distribution Company. They had the product that I was looking for and at a reasonable price. I found the check out process to be straightforward and easy. As for the shipping, it was exceptional, as my package arrived on time and it was well packed. I am looking forward to conducting future business with Underwood Distribution Company.

Justin B.
Underwood Distributing Co.
Graphing Calculator purchase was wonderful

I am a math teacher in Ogden, Utah. We have ordered from Underwood twice now, buying TI-84 Plus CE graphing calculators both times. They were easy to purchase, a great price compared to others, and arrived quickly. No complaints here! Definitely recommend!

Anonymous
Underwood Distributing Co.
Responsive and quick service!

They answered my phone calls and emails immediately, were super helpful and quick with quotes and orders, and delivered the products within days of placing our order. Everything arrived quickly and perfectly. This was a great experience.

Anonymous
Underwood Distributing Co.
Always prompt with fast shipping!

I have ordered calculators from Underwood Distributing for so many years that I have last track of the time. They are always quick to answer my emails and they get the product I need shipped out asap! 10/10 recommend Underwood!

Amy S.
Underwood Distributing Co.
Fantastic company and product

Fantastic company and product. Stellar to work with year after year.

RE
Underwood Distributing Co.
Wonderful source for TI calculator add ons

The Ti 84 launchpad board and RGB led board are hard to find new for just a single user and definitely not at such a good price. Prompt shipping and everything arrived well packed. Seriously great source if you are looking for small quantity at great value. Thanks!

Mark A.
Underwood Distributing Co.
Calculators for classroom

I teach middle school and wanted reliable calculators, at a good priced, and in a distinct color so everyone knows who they belong to. They were well-packed and arrived quickly! I am so pleased with my purchase and will keep this company in mind for future needs.

Mandee P.
Underwood Distributing Co.
Ti-84 calculator to Ti-84 calculator Data Transfer Cable - THIS IS IT!!!

I have be searching for this cable for over a year! I went to Circuit City, Best Buy and Amazon. NONE of them had this cable. FINALLY I found this cable and I bought in on a desperate hope that it would be the right cable. IT IS!!!! THIS CABLE WORKS FOR CALCULATOR to CALCULATOR DATA TRANSFER!!!

Elizabeth M.
Underwood Distributing Co.
Timeliness and Easy

My current order of graphing calculators was placed and ordered so quickly. Underwood Distributing Company made this process easy and I appreciate the timeliness along with the great price. THANKS!

FORT Z.S.D.
Underwood Distributing Co.
Calculators for classroom

Underwood Distributing was so easy to work with on getting calculators for my classroom! They were so nice and kept me up-to-date with the status of my order. I received my order very quickly, and I am very happy with the purchase.

Christina L.
Underwood Distributing Co.
Ti-84 Calculators

I am very satisfied with the promptness and diligence in which my order was processed. The teachers were able to receive their needed supplies on time.

Pat G.
Underwood Distributing Co.

What customers think about the store

Highly efficient distributor specializing in calculator accessories and replacement parts. Praised for exceptional customer service, fast shipping (often next-day), competitive pricing, and accurate orders. Known for carrying hard-to-find products and specific...

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