
Is there a 'reverse' factorial?
Explore the concept of inverse factorials, from simple division methods to advanced mathematical approaches using the gamma function.

How to round to two decimal places in Python
Master the essential techniques for formatting numbers to two decimal places, useful for handling currency and financial calculations.

Recognizing proportional relationships
Master the technique of identifying proportional relationships on coordinate planes!

The Cartesian Product and its Generalizations
Learn a simple mathematical concept that is used in many areas of computer science!

Studying the Chinese Remainder Theorem with Python
Let's revisit a classic math theorem with Python!

How to convert decimals to percentages
There are some very convenient ways to convert decimals to percentages!

Computing average of a Python numpy array discarding NaNs
How do you find the mean of elements in an array if it has some nuisance NaN values?

Lagrange’s Four-Square Theorem
You would have heard about the four color theorem but do you know the four square theorem?

