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MathBlog Calculators

MathBlog's comprehensive suite of intuitive tools, expertly crafted by our dedicated development team to help you solve a variety of math problems, from algebra and geometry to trigonometry and beyond.

Algebra

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  • Absolute Value Inequalities

Date & Time

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Percentage

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Factoring

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Summing It Up Giveaway Winner

MathBlog Team June 22, 2016 General
Math Blog Giveaway Winner
Congratulations to Trevor H. of Australia, for winning our first Math Blog giveaway. 400 entries were received; not a bad turnout at all, if I may say so myself. I’m …
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GIVEAWAY: Enter to win a copy of Summing It Up

MathBlog Team June 15, 2016 Suggested Reading
Summing It Up
Princeton University Press recently published a great book called, Summing It Up: From One Plus One to Modern Number Theory by Prof. Avner Ash and Prof. Robert Gross. This week …
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Solomon Golomb’s Legacy

MathBlog Team June 8, 2016 Math News
Solomon Golomb
Last month, the mathematics and tech communities lost a giant. Solomon Golomb’s discoveries in polynomials led to technology behind some of the most used devices society depends on today. …
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Math Blog’s Survey Results

MathBlog Team May 25, 2016 General
Math Satisfaction
Last week I solicited your feedback via a quick survey. Today I’m sharing the aggregated, non-identifiable information with you. It should give us a better picture of this community. …
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Perform Statistical Analysis Directly from Your Browser

MathBlog Team May 11, 2016 Probability and Statistics
Data Scientist Workbench
One of the coolest projects I work on at IBM is called the Data Scientist Workbench. It’s a free all-in-one solution for people interested in performing data analysis. Naturally, …
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The Princeton Companion Is Back. Sort Of.

MathBlog Team April 27, 2016 Suggested Reading
Companion Applied Mathematics
Several years ago (wow, it was 2008 – how time flies!), I wrote about The Princeton Companion to Mathematics. At the time I dubbed it, “the nicest math book …
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Was Richard Feynman a Great Teacher?

John F. McGowan, Ph.D. February 1, 2016 General, History, Math Education
Feynman Lectures
Bill Gates recently published a blog post The Best Teacher I Never Had with an attached video extolling the virtues of Richard Feynman, the Nobel Prize winning physicist and …
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Data Science Boot Camps

John F. McGowan, Ph.D. October 23, 2015 Applied Math, General, Math Education, Probability and Statistics, Software
Business Insider recently ran an article “Here’s what you should know about those 99% job placement rates at ‘coding bootcamps’— some of which boast $100,000 exit salaries” warning readers …
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Can Math Beat the Stock Market?

Patricia Lane September 22, 2015 Applied Math
In recent years, the image of high volume Wall Street traders has started to shift. Where we once pictured high-powered, experienced professionals who worked their way up to major …
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Regular Expressions for Numbers in BASH

John F. McGowan, Ph.D. August 17, 2015 Applied Math, General, Software
Introduction This is a short post on how to recognize numbers such as simple integers, real numbers and special codes such as zip codes and credit card numbers and …
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