Challenge No. 174: For all employees, insert the rows for each month and divide the Sales amount over these months as per number of calendars days in the month.
Solved using: R.
Validate IMO Check Digit
Challenge No. 414: IMO Number of a Vessel – This is a 7 digit number where last digit is check digit.
Solved using: Python in Excel.
Pivot Using Suffix Headers
Challenge No. 413: Pivot the given data with headers suffixed with 1, 2.
Solved using: Python.
Pivot Table by Agent
Challenge No. 173: Pivot the given table as shown.
Solved using: Python.
Square Digits Until Single Number
Challenge No. 412: Square the individual digits of a number and sum them.
Solved using: Python in Excel.
Calculate Agent Commission Totals
Challenge No. 172: Find the total commission paid to each agent along with a Grand Total row.
Solved using: R.
Roman Palindromic Numbers
Challenge No. 410: List all decimal numbers whose Roman equivalents are Palindromic.
Solved using: Python.
Normalize Table from Merged Cells
Challenge No. 409: This challenge was contributed by Taeyong Shin
Unmerge merged cells, separate characters separated by delimiters, and create a normalized table.
Solved using: Python in Excel.
Stack and Transform Columns
Challenge No. 171: Transpose given problem table into result table.
Solved using: Python.
Clockwise Angle Between Clock Hands
Challenge No. 408: Find the angle from hour hand to minute hand in a clock in clock-wise direction.
Solved using: DAX.