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Full Version: Input CAS var on HP Prime
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Why it's not possible to request a CAS var in a program on HP Prime ?
INPUT( only accepts numerical var :(

" INPUT( only accepts numerical var :( "

You can enter alpha value between ""

and how to tranform it into an algebric expression ?
EXPR("4*X+1") just calculates the expression with the X value.
Impossible to work and use CAS commands with the expression 4*X+1 in a program :(