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Calculation Power()


JacoStander
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Good day,

I'm busy with my first project and I have a load of financial calculations to do. One of the calculations is to calculate the future value of an investment.

Future Value Formula

  • Future Value (FV) = PV × (1 + r) ^ n

Where:

  • PV = Present Value
  • r = Interest Rate (%)
  • n = Number of Compounding Periods

I use formula fields in my tables to calculate these values=>

To calculate my present value I use the formula:

[@field:nett_income_required_from_pip] / (100 - [@field:estimated_tax_rate_retirement]) * 100

My Interest rate is a fixed vale of 5

My number of compound periods are calculate with this formula:

[@field:retirement_age] - Datediff(year,[@field:dob],[@field:timestamp])

 

I've tried to write the following formula to calculate the Future value but it returns syntax errors and cant figure this out. Any assistance will be appreciated.

([@field:nett_income_required_from_pip] / (100 - [@field:estimated_tax_rate_retirement]) * 100)*(Power((100 + ([@field:inflation])),([@field:retirement_age] - Datediff(year,[@field:dob],[@field:timestamp]))))

UPDATE: The above formula verifies but when I'm trying to save my table I get the error =>

 
icon_alert_stop.png?a=33.043
Unable to save table due to incompatible values in one or more formula fields.
 
UPDATE: I cleared my table data and it saved successfully.
 
Net problem now is when trying to submit the data to this table via my form I get the error =>
 
Values cannot be submitted due to a data restriction.
 
UPDATE: SOLVE
 

Many thank

Jaco

Edited by JacoStander
Problem Solved
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