Tag Archives: computations

Wabbitemu TI Calculator Emulator

Wabbitemu TI Calculator Emulator Developed By Spencer Putt, Chris Shappell, and James Montelongo For Windows and Mac OS X and Android From the project site: Wabbitemu – An accurate emulator/debugger for the TI-73, TI-81, TI-82, TI-83, TI-83+(SE), TI-84+(SE), TI-84+CSE, TI-85, … Continue reading

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Excel: Primitive Bar Graph and Roman Numerals

Excel has a repeat function called REPT that will repeat a text character any number of times.  It’s format is REPT(TEXT, Value) where Value is the number of times that TEXT is repeated.  You can use “i”, “o”, “-“, or any other letters/symbols … Continue reading

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Solve Differential Equations with Wolfram Alpha

Wolfram Alpha now solves differential equations with step-by-step solutions!  They describe the new feature accordingly: Wolfram|Alpha has become well-known for its ability to perform step-by-step math in a variety of areas. Today we’re pleased to introduce a new member to this family: … Continue reading

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Calculator to Estimate Time to Freezing for Water in an Insulated Pipe

The Whole Building Design Guide (www.wbdg.org) has updated their online calculator to estimate time to freezing for water in an insulated pipe. Reference: 2009 ASHRAE HoF, Chapter 23, Equation 1 (pg 23.4) This calculator estimates the time for a long, … Continue reading

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How to Apply Notional Loads in RISA-3D

RISA News has published an article about automating the application of notional loads to a RISA-3D model: In RISA-3D you can automatically apply notional loads to your structure to comply with your steel code (such as AISC 360). Notional loads … Continue reading

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Andie Graph

Here’s a great TI emulator for your Android device.  You will have to download your own ROM, but it works great. Andie GraphGet a TI-82, TI-83, TI-85, AND TI-86 emulator for your phone!ROM NOT INCLUDED. Due to a request from … Continue reading

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Microsoft Mathematics 4.0

Microsoft Mathematics 4.0 is a free mathematics program from Microsoft (if you couldn’t already tell that from the name) for Windows.  It is definitely a better upgrade to the standard windows calculator, and keeps a notebook of calculations/graphs.  It is more geared … Continue reading

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GraphCalc The Ultimate Windows 2D/3D Graphing Calculator Software

This week, The Engineering Zone will feature calculator applications. One of my Favorite PC calculators is GraphCalc (also available for Linux).  It is fast, easy, and you can use your number pad for input.  Even though it was last updated … Continue reading

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Wolfram|Alpha – Intro

Wolfram|Alpha is becoming a more valuable tool for engineers practically every day.  If you haven’t used it before, you should definitely check it out.  Their goals are summarized on their info page: Goals Wolfram|Alpha’s long-term goal is to make all systematic knowledge … Continue reading

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