Best calculator for civil engineering

Hai friends
Which is the best calculator you recommend for Civil engineer?

Hi Vidya,

Welcome to Collegelib!

A quick online research returned recommendations for Casio fx-991MS

[Image: casio_fx-991MS_calculator.jpg]

fx-991MS Modes
Basic arithmetic calculations
Standard deviation
Regression calculations
Solution of equations

How ever, my study says, there are a lot of free online tools available for doing Civil engineering calculations online. I am posting a few of them here:
If you do not have your calculator in hand, try using these tools which is free.
Hai sir, I bought a new calculator, your recommendation was good. so many friends are using same model Casio fx-991MS