Hi guys, I run into trouble with “If statement” with multiple conditions. For example : If (a=0 and b=0 and x<=(L1+L2), A, B) But GH doesn’t allow to put “and” in the [Expression Designer]. So how can I enter the test with multiple conditions as above. Any help would be appreciated. Thanks in adv…

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I got it, HS_Kim. Many thanks for your quickly help. You are exceedingly enthusiastic !

If(nested ternary operators are your thing, this works too, ignore post) [image] or even: [image] (just having a bit of fun, don’t actually do this :sweat_smile:)

If statement with multiple conditions

Grasshopper

HS_Kim April 4, 2018, 10:15am 2

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Build a list of values from multiple conditional statements

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If statement with multiple conditions

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