Title: conditional equation help
Last modified: September 4, 2020

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# conditional equation help

 *  Resolved [marie26](https://wordpress.org/support/users/marie26/)
 * (@marie26)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/conditional-equation-help/)
 * Hello, I am using a simple equation that returns the results I want but I would
   like to add a condition. The formula is for figuring out a weight-based single
   dose.The result is given in mL
    Here is the formula: PREC(fieldname2*1.5, 2) 
   Fieldname2 is user-entered weight, and dosage is weight X 1.5, result is mL with
   2 decimals I getthe correct results so this part of the formula works for me.
   I would like to cap the dosage at 5mL maximum regardless of weight.
 * Any suggestions welcome, sorry I cannot link to url as this is still in development/
   testing. I tried on my own but my results come off wrong so clearly I am missing
   a step.
 * Thanks!

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [codepeople](https://wordpress.org/support/users/codepeople/)
 * (@codepeople)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/conditional-equation-help/#post-13361851)
 * Hello [@marie26](https://wordpress.org/support/users/marie26/)
 * In this case, you should use the MIN operation:
 *     ```
       PREC(MIN(5, fieldname2*1.5), 2)
       ```
   
 * Best regards.
 *  Thread Starter [marie26](https://wordpress.org/support/users/marie26/)
 * (@marie26)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/conditional-equation-help/#post-13363136)
 * It works perfect. Exactly what I needed. Thank you so very much!

Viewing 2 replies - 1 through 2 (of 2 total)

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 * 2 replies
 * 2 participants
 * Last reply from: [marie26](https://wordpress.org/support/users/marie26/)
 * Last activity: [5 years, 9 months ago](https://wordpress.org/support/topic/conditional-equation-help/#post-13363136)
 * Status: resolved