Excel Large Numbers
Excel Formulas...
* 42 Decimal Digit Addition
* 149 Bit Binary to 45 Digit Decimal
- 42 Decimal Digit Subtraction (under development)

Excel - 42 Decimal Digit Addition (Download below)
-- Single Cell formula
-- Enter - Two 42 Digit Numbers, Text Format
-- Results - Decimal, 43 Digits max (Tredecillion), Text Format
-- Excel 2019 and later (.xlsx)
-- Beta Testing - Email suggestions / problems

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Excel - Binary to Decimal - 149 Bit (Download below)
-- Single Cell formula
-- Enter - Binary, 149 bit max, Text Format
-- Results - Decimal, 45 Digits max (Tredecillion), Text Format
-- Excel 2019 and later (.xlsx)
-- Beta Testing - Email suggestions / problems



Download...
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Bin_to_Dec_149_v1.5.xlsx
Version 1.5 (corrected leading zeros and formatting)
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Excel - 42 Decimal Digit Addition
Correcting bug - Check back - Hopefully by 09/30/2023
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Comments/Contact William Bunting
Excel at Buntingnet.com
Tele - 717 then 264 then 8452