![]() Here's mine: DECLARE VARCHAR(MAX)='' WITH t AS(SELECT i UNION ALL SELECT t WHERE i96THEN 20-c/122+5*c/16 ELSE c END)FROM t SELECT uses a recursive CTE to make an impromptu stack of the characters in the phone number and translate the letters on the fly, then a bit of SQL trickery (SELECT to recompose the string from the CTE without requiring another recursion construct. ![]() Go up-vote him, it's an elegant solution! machine to convert/ the fractions to decimals and then to per. However, mattnewport's rational approach works in SQL as well, at a much lower cost of bytes, so I am shamelessly scrapping my own math in favor of his. present word problems in simple consumer mathematics, business. It had a ridiculous number of decimal places in the coefficients, but it worked. I spent quite some time over the past couple of nights painstakingly creating a mathematical sequence function that would round correctly to generate the proper ASCII codes for the numbers from the alphabetical ASCII codes. The keypad has numbers 0 through 9, plus the asterisk and hash symbols like a traditional telephone. The keypad is a section on a smartphone where users dial a phone number to place a call. The next time you see some fancy marketing campaign promoting words in the phone number, it is to help you remember the number. The sequence to dial 1800-hello would be 1800-83556. ![]() However, there are more options such as ASCII codes and tap codes to decode numbers. First, second, third, or in the case of the letter Z, the 4th letter of the number 9 on the keypad. Phone keypads allow you to write messages in several ways: Multi-tap, ABC code, T9 code, Vanity, etc. Numbering the letters so A1, B2, etc is one of the simplest ways of converting them to numbers. Tool to decrypt/encrypt messages with a mobile phone keypad. Non-ASCII 8-bit input will produce all sorts of weird numeric output.Īfter all this, it's a bit disappointing that this only beats the trivial bash solution by just six chars. See our numeric keypad page for full information about this portion of the keyboard. Convert phone keypad letters to numbers decoder Convert letters to numbers in various formats. ![]() GolfScript, 24 chars (which are mapped to the two-character string 10). 7 Answers 7 Strip all whitespace from the number Translate all alpha into digits - using a lookup table of letter to digit (e.g. ![]()
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