vCalc Blog

Archive: 2016

You Might Not Be Sick After All:

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Imagine that you are living in South Florida and you decide to get tested for Zika. The test comes back positive. How likely is it that you actually have Zika? You may initially think that this is a simple question to answer; if you tested positive then you must have Zika. Right? However, as you think about it more, you realize that there is a possibility that there might be a false alarm. So you realize that it isn’t a certainty that you have the disease, and y... Read More

Corn Harvest Prediction

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Predicting the future can be really helpful in farming, but unless you know something about dead-cats and phases of the moon that I don't, the only real way to predict crop yields is with good science and good scientific tools. The good news is that for corn growers, the science is pretty simple, and the tools are free and you can use them via the calculator link featured below.The science was developed by agriculture instructors at the University of Maryland and t... Read More

How do I Hurricane-Proof my house?

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The bad news is that it's impossible to completely hurricane-proof your house even if you're hundreds of miles in-land. One of the most damaging aspects of hurricanes and tropical storms is the rising water from the storm surge if you're near the beach or flood waters from creeks and rivers inland. To see what I mean, go to Harper's Ferry, West Virginia, make sure you look for the building with the markers up the wall that shows the flood levels in the middle of town... Read More

Turn Silver into Cash with Math!

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If you take a look around your house at any given moment, you'll quickly find that you probably have a lot more silver laying around than you realized. Maybe you've got some old jewelry sitting around that you never wear anymore (seriously, a pinky ring? What were you thinking?), some old coins or maybe that old smartphone that you upgraded years ago has a lot of little silver components hidden inside the case.What you probably DON'T realize is that you might have q... Read More

Zeinab Bandpey Wins vCalc Award for Excellence

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April 6, 2016 - vCalc, the Internet-based software company, based in Frederick, MD, that provides hundreds of unique calculators for people all over the world, is incredibly excited to announce that Zeinab Bandpey has received an Award for Excellence for her contributions to the site. Her custom calculator helps the people of Iran calculate the Holiday Award they receive each year from their employer. In Iran, all employees receive a Holiday Bonus on No-Rooz, which ... Read More

Counting the Jelly Beans, It's Not Cheating, It's Math!

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Easter Sunday has come and gone once again, which can only mean one thing - you're about to start finding Jelly Beans EVERYWHERE for the next few months. You'll find them in your couch cushions. You'll find them under your coffee table. They'll inject themselves into your life in a way that will be hard to get away from - luckily they're so delicious that you won't really mind that much.Easter ALSO means that you're about to start seeing more of those contents where... Read More

#SB50 Big Game Ad ROI Calculator

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When the big game rolls around every year, there is always one topic that comes to the front of people's minds: the commercials. Not only do people love to talk about all of the fun, silly or downright exciting commercials that they see, but some people who don't even love football still tune in just to see the ads.A huge amount of money is also spent on the ads themselves, not just to produce them, but for the airtime. Networks regularly charge millions of dollars ... Read More