The box multiplication technique is suitable for people that has problem with numbers, since it will organized all the number in place.
Multiply two 3 digits numbers in your head
April 22nd, 2008 | 8 CommentsThis article will show how to do multiplication of two three digits numbers from right to left. Consider 234 × 456.
Easy Multiplication I
April 16th, 2008 | 1 CommentThis technique of multiplication will do the multiplication from right to left. Let’s look at an example. 23 x 12 = 276
Add all the natural numbers below 1000 that are multiples of 3 or 5
April 15th, 2008 | 2 CommentsProblem #1 of Project Euler
Add all the natural numbers below 1000 that are multiples of 3 or 5.
Python: Put comma(s) to numbers
April 15th, 2008 | No CommentsThis script will put commas between each group of three digits number. For example, 1234567 will become 1,234,567.
