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I need help with solving equations using separate columns. For example. One column has pH values going from 0-14 and the column next to it has the equation [H+] = 10^-pH with it's corresponding values.

Solved by I. J. in 28 mins

Assistance with equations on populations size and heterozygosity

Solved by X. C. in 18 mins

I have equations about a search problem. I would like to translate and applying those equations to Excel Solver.

Solved by E. J. in 16 mins

Hi! I need help with a complex "if" formula for cell C15 of the attached file using absolute value calculator:
If the absolute value of C3 is less than or equal to 100, then C3*(45/100)
If the absolute value of C3 is between 100.001 and 1000, then C3*(45/500)
If the absolute value of C3 is greater than 1000, then 90

Solved by F. L. in 14 mins

please answer the following equations a and b

Solved by M. B. in 17 mins