how to get precision value upto 20 to 30 digits after decimal?

hi

i want to get numbers upto 20 to 30 digits after decimal point. when i use sym or vpa command for said problem in a particular case like

vpa(8.99999999999999),

it results in

9

but i need value in precision not in round off figure. how i can solve this. kindly help me i will be highly thankful to you for this act of kindness|

with best Regards

Mudasir Ahmed

Answer 1

[Walter Roberson]

vpa(sym('8.99999999999999'), 30),

[Mudasir Ahmed]

Dear sir,

Vpa instruction consume much more time to calculate value in large iterations, is there any command who give swift response for said problem.

[Walter Roberson]

No.

[Mudasir Ahmed]

okay, and Thank you you so much sir :)