How to store value into variable which is as value of another variable? - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: HP Calculators (and very old HP Computers) (/forum-3.html) +--- Forum: HP Prime (/forum-5.html) +--- Thread: How to store value into variable which is as value of another variable? (/thread-5309.html) How to store value into variable which is as value of another variable? - chromos - 12-11-2015 08:15 AM I am not sure if I can explain it understandably... I cannot store value into variable directly because I don't know its name. But I know that its name is stored in other known variable. For example: I have something like this: L1(1):="VarNameChoosenByUserViaInput"; I can view value stored in VarNameChoosenByUserViaInput with EXPR(L1(1)), but how I can change value in that variable via L1(1) indirectly? Thanks for any advice. RE: How to store value into variable which is as value of another variable? - Didier Lachieze - 12-11-2015 08:27 AM (12-11-2015 08:15 AM)chromos Wrote:  I have something like this: L1(1):="VarNameChoosenByUserViaInput"; I can view value stored in VarNameChoosenByUserViaInput with EXPR(L1(1)), but how I can change value in that variable via L1(1) indirectly? This should work : EXPR(L1(1)+":="+STRING(value)) or : EVAL(L1(1):=value) RE: How to store value into variable which is as value of another variable? - chromos - 12-11-2015 09:21 AM Thank you very much, Didier, first example works. Second example doesn't - it changes variable L1(1) and not variable inside L1(1). RE: How to store value into variable which is as value of another variable? - Didier Lachieze - 12-11-2015 01:07 PM (12-11-2015 09:21 AM)chromos Wrote:  Second example doesn't - it changes variable L1(1) and not variable inside L1(1). Yes, you're right.. Regarding the first example, a few comments: if value is a numeric value, then it's better to use STRING(value,1) rather than STRING(value): EXPR(L1(1)+":="+STRING(value,1)) This way you ensure by using the standard format that the string created with include all digits of "value", otherwise if for ex. you are in engineering 2 display mode, only the first 3 digits will appear in the string. if value is a variable, for example variable A, then to avoid the string translation just use: EXPR(L1(1)+":=A") RE: How to store value into variable which is as value of another variable? - chromos - 12-11-2015 10:53 PM Thank you, Didier. RE: How to store value into variable which is as value of another variable? - Vtile - 12-12-2015 03:47 AM I think what you are asking is known as indirect addressing.