Tag: numbers

Box multiplication

April 24th, 2008 | 1 Comment

The box multiplication technique is suitable for people that has problem with numbers, since it will organized all the number in place.

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Multiply two 3 digits numbers in your head

April 22nd, 2008 | 8 Comments

This article will show how to do multiplication of two three digits numbers from right to left. Consider 234 × 456.

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Easy Multiplication I

April 16th, 2008 | 1 Comment

This technique of multiplication will do the multiplication from right to left. Let’s look at an example. 23 x 12 = 276

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Add all the natural numbers below 1000 that are multiples of 3 or 5

April 15th, 2008 | 2 Comments

Problem #1 of Project Euler

Add all the natural numbers below 1000 that are multiples of 3 or 5.

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Python: Put comma(s) to numbers

April 15th, 2008 | No Comments

This script will put commas between each group of three digits number. For example, 1234567 will become 1,234,567.

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