how to get and display max number

[Asif138]

Done this. check 

thanks all

[altenbach]

Setting it to zero will not work in many cases. For example if all your values are negative, zero will be the max forever. You need to initialize to -Inf.

[crossrulz · Accepted solution]

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@altenbach wrote:

Setting it to zero will not work in many cases. For example if all your values are negative, zero will be the max forever. You need to initialize to -Inf.

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Or to the current value.

[altenbach]

Gerd already mentioned the ptbypt min&max. That's all we really need here. 😄